32 Tune Songs Wireless Chime Smart Door Bell

Features: Easy to Install, no wiring required Remote control range up to 100m in open air, Widely using in home, offices, hotels, etc. Build in anti-interference desgin, avoid the interference between users Simple to operate and convenient to use. Low energy consumption and so durable. Specification: Input Voltage: DC 3V Chime: power by 2 x 1.5V AA battery(battery not incluced) Bell push uses 1x 12V 23A Alkaline battery (not included) Size of Remote Control is about 72 x 38mm Size of door bell is about 95 x 60 mm Type:Doorbells Doorbell Type:Wireless DIY Supplies:Electrical Model:504D Power Source:Battery Music Sound:32 melody music Package Content: 1x Remote Control Wireless Door Bell 1x Remote Control