1 Separate design, more conenient. Remote transmission range up to 280M/918ft in the open air. 2 Shop Keeper in day time, anti-thief in the night, welcome/doorbell/alarm/color lights/lighting 5in1 multi-function. 3 4 stages adjustable volume(Loud/High/Middle/Low)from 113-25dB. 4 8 chord music chip, 40mm big horn, 36 chime melodies, remember your last set melody and volume level once powered off. 5 Receiver can learn from up to 32 wireless sensors like PIR motionm magnetic or vibration sensor as well as up to 8 remote controllers.
What's in the box
1 x Wireless Doorbell
