• 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