• Include 1 transmitter and 1 plug-in AC receiver

• Built-in 55 different chimes, 5-level volume adjustable

• Convenient switch between Chime Mode and Silent Mode

• The LED on receiver will flash without chime when in Silent Mode

• Used for home or any other places where need to welcome the guests

• Can also allow immobile or bedridden patients to call for help conveniently

• Up to 50m indoor control distance, and 300m outdoor control distance

• Hassle free installation with double-sided adhesive tape

• IP55 waterproof, no worry about bad weather

Specifications:

• Chime quantity: 55

• Chime volume: 0-110dB (5-level)

• Working frequency: 433.92MHz±280KHz

• Working distance: 300m (open field)

• Receiver voltage: 110-260V, 50-60Hz

• Transmitter battery: 12V 23A alkaline zinc-manganese battery (included)

• Working temperature: -30ºC ~ 70ºC

• Transmitter size: 3 x 6.5 x 1.5cm

• Receiver size: 4.6 x 7.2 x 2.8cm

• Protection grade: IP55