Features:
1.Waterproof design.
2.One transmitter and one/two receivers.
3.Adjustable volume with four levels
4.36 different tunes for your choice.
5.High quality ABS material with LED light.
6.Long distance transmission and high strength signal and sensitivity.
7.Wireless designed for easy install and operates.
8.Effectively reminds you of the coming of guests or friends

Specifications:
Model: forecum 5f
Color: White & Black.
Control area: <100m(109 yard)
Temperature resistance: -10℃~50℃(14℉~122℉）
Package Size:105*83*65mm

Transmitter:

Size:8.1*4*2.4cm
Operating frequency: 315MHZ
Working Voltage: 12V (battery type: 23A 12V included)
Operating current: ≦15mA
Weight: 37g(1.3 oz)

Receiver:

10*5.8*2.8cm
Tones Kinds: 36
Operating frequency: 315MHZ
Voltage: 4.5V (battery type: 3 x AAA not included)
Operating current: ≦80mA
Quiescent current: ≤0.8mA
Power: ≦2W
Controlled volume: 25-80dB
Weight: 64g (2.26 oz)