Chuông Cửa Không Dây Cảm Biến Hồng Ngoại Thông Minh Chống Nước 38 Bài Hát

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Feature:
1. This door bell adopts special design and beautiful appearance, easy to use and can be placed wherever you want.
2. The infrared sensor detects motion and sends a signal to the receiver, convenient and practical to use.
3. Send audible sound, alerting you that somebody is approaching, perfect for your office, apartment or home.
4. There are 38 ringtones and 3 levels volume are available, and they are adjustable according to your preference.
5. Wireless installation, the working range is up to 70 meters and the sensing distance is 3-7 meters.

Specification:
Condition: 100% Brand New
Item Type: Door Bell
Material: ABS
Plug: US Plug
Receiver Operating Voltage: 100-240V
Transmitter Operating Voltage: 4.5V (3 x AAA Batteries) (Battery Not Included)
Receiver Button:
1) Music: 38 music options, adjust music at the side music button
2) Volume: Three levels volume adjustment (high, medium, low), adjust volume at the side volume button
3) Can be set with sound and silent (with sound: sound + indicator, silent: indicator light)
Working Distance: Approx. 70m / 229.7ft
Transmitter Sensing Distance: Approx. 3-7 meters / 9.8-23ft
Receiver Size: Approx. 76 x 80 x 33 mm / 3.0 x 3.1 x 1.3 in
Transmitter Size: Approx. 80 x 59 x 45 mm / 3.1 x 2.3 x 1.8 in
Weight: Approx. 226g / 8oz
Operation Instruction:
1. Plug the receiver into the socket and open the detector battery cover to place the battery.
2. Insert the rotating bracket into the back of the detector.
3. The detector is pushed to the ON position and waits for the self-test time of 10 seconds to enter the normal working state.

Package List:
1 x Door Bell
2 x Sensor (Battery Not Included)
1 x User Manual
2 x Bag of Installation Tools
2 x Bracket

Note:
1. The sensor should avoid being installed in a position facing directly to the air flow and close to the heat source. (such as cold air outlet, exhaust fan, electric stove or near heater, etc.). Do not install the sensor directly in the sun and rain, or near metal objects.
2. The sensor should be installed at a height of about 2 meters; the lateral detection of the sensor is more sensitive than the straight line (the human body directly faces the sensor), generally should be installed on the side or top of the entrance gate, and can be adjusted to the appropriate position by the mounting bracket in order to achieve the best sens