Wireless Doorbell N15K-B - 55 Melodies, IP55 - EU Plug

Easy to set up, can be installed simply by just fixing the transmitter on the wall without any wiring
300 meters ultra-long wireless working range ensures you will never miss a visitor, even if you are a few rooms away or on another floor
52 chimes to choose from, 5 adjustable volume levels with a maximum setting of 100dB
IP55 dustproof and waterproof rating; works between -22°F to 158°F; withstands various harsh weather conditions

Specification:
Model: N15-K
Material: ABS plastic
Receiver voltage: 110-260V
Transmitter battery: 12V 23A Alkaline zinc-manganese battery
Working frequency: 433.92Hz
Working temperature: -30°C ~ 70°C
Waterproof level: IP55
Receiver size: 95 x 65 x 29.5mm
Receiver weight: 85g
Transmitter size: 75 x 34 x 18.5mm
Transmitter weight: 32g
Certificate: CE, RoHS, FCC, PSE