FCC ID: 2ASBR-XZ-R8841 Doorbell Camera+Chime

Doorbell Camera when the doorbell button is pressed. The Doorbell Camera sends a notification and a photo-stitch when it senses motion or Your Chime will also sound a tone to let you know someone is at the door. The Chime also help to ensure your doorbell has a strong WiFi connection, place these products as close to the doorbell as possible. What's in the BOX 1. Doorbell camera x1 2. Chime x1 3. AA battery x3 4. Manual x1 5. Screw bag x1 6. Adhesive x1 Get Started 1. Download the iOS or Android "Tuya Smart" app and have your WiFi password handy. 2. Turn on your phone's Bluetooth, you can turn it off after setup. (To turn it on, go to Settings on your phone, select and turn it on.) 3. Make sure your network is 2.4GHz and working well. 4. Make sure the batteries are aligned correctly and working well. 5. Setup the doorbell camera first. The app will guide you step-by-step. 2. Wait for few seconds until chime's indicator light begin blinking slowly (If not, try to Link the Chime to your Doorbell Camera 1. Plug in the outlet reset the chime) 3. Press the doorbell button to pair with chime 4. If succeed, the doorbell will sound together with the doorbell, and chime's indicator light will go off 5. Note: you can press "the volume button" for 5s to reset the chime Install your Doorbell Camera 1. Support Peel & Stick and Screw Mount 2. You can install doorbell camera following the steps as follow. 3. Install the doorbell camera in the blue area. It's better to center it on the door as shown below for the best photos. How to Reset your Doorbell Camera 1. Remove the front cover of the doorbell 2. Press the doorbell button for 15s until the indicator light begin blinking slowly 1. Your Doorbell Camera has a 60 viewing angle and monitor a distance of up to a 3m, 2. When the doorbell detects motion, a notification with a photo-stitch will be sent to your MOTION DETECTION in an arc 70 left and right. phone. 3. Motion detection sensitivity and distance are customizable in the app. If the doorbell faces a busy street, try using the lowest setting to avoid false alarms. 1. All cameras come with a basic level of cloud storage, this what allows you to view the CLOUD STORAGE photos for 3X24 hours. 2. To access and store photos for longer, you can increase your amount of cloud storage by signing up additional serviceoptional Doorbell Camera Specs 1. Power Source3 AA batteries 2. Operation temperature-20 to 50 3. User Location: Indoor and outdoor (IP54) 4. Mounting Method: Peel & Stick and Screw Mount Chime Specs 1. Power Source: 100-120V~50/60Hz 2. Operation temperature-10 to 45 3. User Location: Indoor use only 4. Mounting Method: Plug in the outlet peration. ipment. Troubleshooting 1. If you're having trouble pairing, try to reset the device 2. The new setting from APP will be effective by the next button press or motion trigger or 3. When you press the doorbell button, the indicator light will be on. If not, check the auto apply if not triggered in 12hrs batteries have run out or not. 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 m ust accept any interference received, including interference that may cause undesired o Caution: The user is cautioned that changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equ Federal Communication Commission Interference Statement 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 reaso nable protection against harmful interference in a residential installation. This equipmen t generates uses and can radiate radio frequency energy and, if not installed and used i n accordance with the instructions, may cause harmful interference to radio communica tions. However, there is no guarantee that interference will not occur in a particular inst allation. If this equipment does cause harmful interference to radio or television recepti on, which can be determined by turning the equipment off and on, the user is encoura ged 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 re ceiver is connected.

- Consult the dealer or an experienced radio/TV technician for help. FCC Radiation Exposure Statement:

This equipment complies with FCC radiation exposure limits set forth for an uncontrolle d environment. This equipment should be installed and operated with minimum distanc e 20cm between the radiator & your body. RF Exposure: A distance of 20cm shall be maintained between the antenna and users, a nd the transmitter module may not be colocated with any other transmitter or antenna.

Product : Doorbell Camera Model : SC022-WBI0 Power Source : 3 AA batteries FCC ID : 2ASBR-XZ-R8841 SN:AB0012345678 Doorbell Camera + Chime Model : 9022.WBI0 Input for Camera : 2 AA batteries (included) Input for Grime 100-120~0/e0H=

Manufacturer: Hangzhou Xizhi Electronics Co, Lt Address: The second foot Bulging 2, No.8 Yuyang Road, Lushan Subdistict.Fuyang, FOC ID: 2ASBR-K2-RED41 SI MAC: AKBBCCODEEFF i FE Hangzhou, Zhejiang, China N= ZRNG00 1294507 Made in China

Hangzhou Xizhi Electronics Co., Ltd. Federal Communications Commission Authorization and Evaluation Division Confidentiality Request regarding application for certification of FCC ID: 2ASBR-XZ-R8841. Pursuant to Sections 0.457 and 0.459 of the Commissions Rules, we hereby request confidential treatment of information accompanying this application as outlined below:

Exhibit Type

(ie- Block Diagram, Schematics) File Name

(ie- Block Diagram, Schematics.pdf) The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these materials may be harmful to the applicant and provide unjustified benefits to its competitors. The applicant understands that pursuant to Section 0.457 of the Rules, disclosure of this application and all accompanying documentation will not be made before the date of the Grant for this application. Pursuant to DA04-1705 June 15, 2004 of the Commissions public notice, we also request temporary confidential treatment of information accompanying this application as outlined below:

File Name

(ie- Internal Photos, Test Setup Photos.pdf) Exhibit Type

(ie- Internal Photos, Test Setup Photos,) Number of days: 180 days Sincerely,

(signature)

(printed name) Nanfang Yang Rev 11/20/07

working priciple description 1Power tree Three batteries are connected in series to provide 4.5V voltagethrough LDO U1/2.8V to supply power to CMOS image sensor module.Meanwhile through the chip internal power management unit,can output 3.0V 2.7V 1.2V power rail suplly power to different modules. 2MCU U2 BK7252 is an WIFI Audio/Video SOC chipThe high speed 32-bit MCU up to 180MHz and large embedded RAM make it able to support multiple cloud links and also suitable for audio and image application. 3VIDEO Through 8-bit DVP interface, one 30w cmos sensor module named GC0328 output YUV fomat data to the SOC, then coding compression and output to the network part. 4 PIR BS612 is an PIR sensor,This device can sense the approach of human body and output signal to SOC. working priciple description 4 IR 2PCS 850nm IR LED light can make infrared better. 5 WIFI: 11b: DSSS (CCK, QPSK, BPSK),11/5.5/2/1 Mbps (Dynamic), 11g: OFDM (64QAM, 16QAM, QPSK, BPSK)54/48/36/24/18/12/9/6 Mbps (Dynamic), 11n(HT20):

OFDM (64QAM, 16QAM, QPSK, BPSK): 65, 58.5, 52, 39, 26, 19.5, 13, 6.5Mbps (Dynamic) 11n(HT40): OFDM (64QAM, 16QAM, QPSK, BPSK): 135, 121.5, 108, 81, 54, 40.5, 27, 13.5Mbps (Dynamic). Door camera with motion detection function, when there is no motion detection or touching button on camera, WiFI would be in sleep status. When there is motion detection or touching button for camera, WiFi will be reactivated and function normally. 6BLE: This DUT integrated Bluetooth Low Energy 4.2(GFSK) controller with an UART interface. User can add IOT Devices via Bluetooth. The integrated WiFi and Bluetooth low energy shares the single antenna, the gain of this Plug-in antenna is 3dBi 7433.92MHz The command to control the doorbell is encode in 1527 format by MCU, then through the WL4455 ASK modulate and transmite the signal at 433

.92MHz The gain of this 433 Spring antenna is -10.36dBi

Hangzhou Xizhi Electronics Co., Ltd. Federal Communications Commission Authorization and Evatuation Division 1435 Oakland Mills Road Columbia, MD 21046 Date: 14/12/2021 SUBJECT: FCC Application for FCC ID: 2ASBR-XZ-R8841 To Whom It May Concern:

We, the undersigned, hereby authorize Yu Anlu at TUV SUD Certification and Testing

(China) Co., Ltd. Shanghai Branch on our behalf, to apply to the Federal Communications Commission on our equipment. Any and all acts carried out by TUV SUD Certification and Testing (China) Co., Ltd. Shanghai Branch on our behalf shall have the same effect as acts of our Own. This is to advise that we are in full compliance with the Anti- Drug Abuse Act. We, the applicant, are not subject to a denial of federal benefits pursuant to Section 5301 of the Anti-Drug Act of 1988, 21 USC853a, and no party to the application is subject to a denial of federal benefits pursuant to that section. Regards, Printed Name: Nanfang Yang Signature: BRAS y pone te ou as C:\Users\lotus\Desktop\FCC POA _Letter(3 docx