MD-209R Wireless Door Sensor Current: static 10uA, alarm15mA (433MHz) FCC WARNING Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. 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. The detector checks its batteries conditions automat-
icaiiy. If it is necessary to replace its batteries(reco-
mmend 12 months), the detector will inform the sys-
tem about the need for new batteries. If a low battery is indicated,it should be replaced as soon as possible
(in a week). Use only alkaline AAAbatteries for replacement.After replaced new batteries the detector will be in testing mode and each triggering will be indicated by detectorsLED. Five minutes after the cover is closed, the detector will automatically enter the normal mode and its LED indicator will be switched off (battery energy saving function). The detector checks its batteries conditions when the batteries in low voltage then it will transmit signals to warning users to replace the batteries. It only transmit once to warn users. 6.System limited Our wireless products are reliable,while in certain situation,our system will be limited, the situation can be some one as below;
1.When the control panel is not stable, it may lead to signal sending not success. 2.Undervoltage of the remote controller,etc. For any requirement for help,please contact with our company Note:without getting permission from corresponding person to change the products at will,may lose the right of using this product