Chuông Cửa Không Dây 1 / 2 36 Bài Hát Chống Nước Màu Đen

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Features:
Made of high quality ABS material, eco-friendly, safe and durable to use.
Simple structure, wireless installation and low power consumption, convenient for you to use.
36 lovely songs for you to choose and the rings' volume can be adjusted, different songs make you have a different mood. It also has a LED light indicator to remind you the coming of guest, smart design.
There are 2 sets for you to choose: Set 1, 1 transmitter + 1 receiver. Set 2, 1 transmitter + 2 receivers. The transmitter remote control range is up to 100m in the open air, suitable for homes and high-rise building.
It has rainwater infiltration-proof function, suitable for outside using. Also having an anti-interference system can avoid interference outside or between neighbors.

Specification:
Condition: 100% New Brand
Color: White&Black (Shown as picture)
Material: ABS
Receiver Working Power: DC 4.5V, Voltage: ≤120mA, Static State Electric Current: ≤0.8Ma
Receiver Battery: 3 x AAA batteries (Not Included)
Power: ≤ 2W
Rings: 36 Songs
Working Frequency: 315MHZ
Sound Volume Range: 25-80dB (4 Level volume Setting)
Transmitter Remote Control Area: Up to 100m (In the Open Air)
Transmitter Voltage: 12V (Not Included Battery)
Transmitter Battery: 1 x 12V 23A battery (Not Included)
Transmitter Electric Current: ≤15mA (20 Times / Day)
Temperature Resistance: -10-50°C
Led Indication: Press the button in the transmitter, led light will bright, transmitter starts to work and receiver will sing song to tell you the guest coming and led light on receiver flash at the same time.
Receiver Size (L x W x H): Approx. 10 x 5.8 x 2.8cm / 3.9 x 2.3 x 1.1inch
Transmitter Size (L x W x H): Approx. 8.1 x 4.5 x 2.3cm / 3.2 x 1.8 x 0.9inch
Package Weight: Approx. 200g

Package Included:
Set1:
1 x Transmitter (Battery Not Included)
1 x Receiver (Battery Not Included)
1 x Double-side Adhesive
2 x Screws
Set2:
1 x Transmitter (Battery Not Included)
2 x Receiver (Battery Not Included)
1 x Double-side Adhesive
2 x Screws (Opti