FCC ID: 2AVJ8-CB2454 CONTROL BOX

Issue departmentBedding Division Product Function instruction Date Author 2017-08-23 Kyle NoCB2454 Version 1.1 Page 1 of 5 User Manual of CB2454 1. Function Picture 1. Process of test 1.1. HEAD Connect to head actuator,control by remote single:

Click head up button on the remote, head actuator moves out, stop when released Click head down buttonhead actuator moves in, stop when released This function takes effect only by pressing the corresponding button on the remote. Connect to foot actuator,control by remote single:

Click foot up buttonfoot actuator moves outstop when released Click foot down buttonfoot actuator moves instop when released This function takes effect only by pressing the corresponding button on the remote. 1.2. FOOT 1.3. Lumbar Connect to foot actuator,control by remote single:

Click Lumbar up buttonfoot actuator moves outstop when released Click Lumbar down buttonfoot actuator moves instop when released 1 Issue departmentBedding Division Product Function instruction Date Author 2017-08-23 Kyle NoCB2454 Version 1.1 Page 2 of 5 This function takes effect only by pressing the corresponding button on the remote. Connect to foot actuator,control by remote single:

Click Tilt up buttonfoot actuator moves outstop when released Click Tilt down buttonfoot actuator moves instop when released This function takes effect only by pressing the corresponding button on the remote. 1.4. Tilt 1.5. HIPS Connect to foot actuator,control by remote single:

Click hips up buttonfoot actuator moves outstop when released Click hips down buttonfoot actuator moves instop when released This function takes effect only by pressing the corresponding button on the remote. 1.6. Massage Connect to head & Foot massage,control by remote:

Click head massage + button,head massage strengthens by one level;

Click head massage - button,head massage weakenby one level;

This function takes effect only by pressing the corresponding button on the remote. Connect to WIFI box or Bluetooth or anyother device 1.7. MFP2 1.8. underbed light Click button of underbed light, turns on( or turns off ) the underbed light, switch the status once when click once This function takes effect only by pressing the corresponding button on the remote. 2 Issue departmentBedding Division Product Function instruction Date Author 2017-08-23 Kyle NoCB2454 Version 1.1 Page 3 of 5 1.9. SYNC port Connect with the same other Control box or Other accessories;

1.10. Power LED & PAIRING LED Power supply for control box, PAIRING LED of control box is blue, POWER LED is green 1.11. Power Connect to the 29V DC;

1.12. Pair button 1.13. Pair Function Press and hold the Pair buttonthe Head, Foot actuators will moves to lower position. Double click Pair buttonpairing LED turns onthe control box enters into mode of code paring Press and hold the paring LED of Remote, the backlight of paring LED flashes, the backlight of remote flashes, the remote enters into mode of code paring;

The backlight of paring LED of remote stops flashing, and the paring led of control box turns off, it indicates that the code paring is successful;

If fails, repeat all the processes above;

1.14. MFP1 1.15. USB Connect to slideswitch Connect to extra USB device 3 Issue departmentBedding Division Product Function instruction Date Author 2017-08-23 Kyle NoCB2454 Version 1.1 Page 4 of 5 FCC Any Changes or modifications not expressly approved by the party responsible for compliance could void the users authority to operate the equipment. This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

-Reorient or relocate the receiving antenna.

-Increase the separation between the equipment and receiver.

-Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. -Consult the dealer or an experienced radio/TV technician for help. FCC RF Radiation Exposure Statement:

This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator & your body. This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter. ISED RSS Warning:

This device complies with Innovation,Science and Economic Development Canada licenceexempt RSS standard(s). Operation is subject to the following two conditions: (1) this device may not cause interference, and (2) this device must accept any interference, including interference that may cause undesired operation of the device. Le prsent appareil est conforme aux CNR d'ISED applicables aux appareils radioexempts de L'exploitation est autorise aux deux conditions suivantes:

(1) l'appareil ne doit pas produire de brouillage, et

(2) l'utilisateur de l'appareil doit accepter tout brouillage radiolectrique subi, mme si le brouillage est susceptible d'en compromettre le fonctionnement. ISED RF exposure statement: No safety distance (20cm) ISED RF exposure statement:

This equipment complies with ISED radiation exposure limits set forth for an uncontrolled environment.The device licence. 4 Issue departmentBedding Division Product Function instruction Date Author 2017-08-23 Kyle NoCB2454 Version 1.1 Page 5 of 5 has been evaluated to meet general RF exposure requirement. Le matriel est conforme aux limites de dose d'exposition aux rayonnements noncs pour fac un autre environnement.ce dispositif a t valu satisfaire l'exigence gnrale de l'exposition aux rf. 5

CONTROL BOX CB2454_ CB.24.54.01 BH Output: 29V ===1.5A 52W Prod.Date: 11/17 SW:V1.0 Serial-No.: CB245401X17Y15010001 FCC ID: 2AVJ8-CB2454 IC: 25804-CB2454 C44 IP20 som Indoor use only DE WERT OKIN

& For Patents contact www.dewertokin.com/patents _

Company:DewertOkin Technology Group Co., Ltd. Add: Room 247, Floor 6, Jiaxing Photovoltaic Science and Innovation Park, 1288 Kanghe Road, Xiuzhou District, Jiaxing City, Zhejiang Province, China Tel:+86-573-82281072 Fax:+86-0573-82280968 E-mail:Mia.Ye@refinedchina.com Date:2022-06-21 FCC Attestation FEDERAL COMMUNICATIONS COMMISSION Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 To whom it may concern:

The chip nRF52832 installed in our product CONTROL BOX(model name: CB2454;

FCC ID:2AVJ8-CB2454) which support 2.4GHz SRD, BLE and ANT functions. Only 2.4GHz SRD is used, other functions are shielded by software. Please contact me if there is need for any additional clarification or information. Sincerely Yours, Signature:

Print Name: Mia Ye Title:

Manager

Company: DewertOkin Technology Group Co., Ltd. Add: Room 247, Floor 6, Jiaxing Photovoltaic Science and Innovation Park, 1288 Kanghe Road, Xiuzhou District, Jiaxing City, Zhejiang Province, China Tel: +86-573-82281072 Fax: +86-0573-82280968 E-mail: Mia.Ye@refinedchina.com FCC Confidential Authorization 2022-6-21 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Confidentiality Request regarding application for certification of FCC ID:2AVJ8-CB2454 In accordance with Sections 0.457 and 0.459 of the Commissions Rules, DewertOkin Technology Group Co., Ltd. hereby requests long-term confidential treatment of information accompanying this application as outlined below:

Block Diagram Schematics Operation Description The above materials contain proprietary and confidential information not customarily released to the public. The public disclosure of these materials provides unjustified benefits to its competitors in the market. Sincerely, Signature:

Print Name: Mia Ye Title: Manager QA-FR-171-A

Company: DewertOkin Technology Group Co., Ltd. Add: Room 247, Floor 6, Jiaxing Photovoltaic Science and Innovation Park, 1288 Kanghe Road, Xiuzhou District, Jiaxing City, Zhejiang Province, China Tel: +86-573-82281072 Fax: +86-0573-82280968 E-mail: Mia.Ye@refinedchina.com FCC Authorization 2022-6-21 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Agent Authorization To whom it may concern:

We DewertOkin Technology Group Co., Ltd., the undersigned, Hereby authorizes Bay Area Compliance Laboratories Corp. (New Taipei Laboratory) to act on its behalf in all matters relating to application for Equipment authorization, including the signing of all documents relating to these matters. All acts carried out by Bay Area Compliance Laboratory Corp. (New Taipei Laboratory) on our behalf shall have the same effect as We, the undersigned, hereby certify that we are not subject to a denial of federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, This authorization is valid until further written notice from the applicant. our own action. 21 U.S.C. 862. Sincerely Yours, Signature:

Print Name: Mia Ye Title: Manager QA-FR-170-B 7/29/2014