504D LED Wireless Chime Smart Wireless Door Bell Button with 32 Tune Songs for Home Office Hotel

Features:Easy to Install, no wiring requiredRemote control range up to 100m in open air, suitable for home, offices, hotels, etc.Build in anti-interference desgin, avoid the interference between users Specification:Input Voltage: DC 3VChime: power by 2 x 1.5V AA battery(battery not incluced)Bell push uses 1x 12V 23A Alkaline battery (not included)Music Sound: 32 melody musicSize of Remote Control is about 72 x 38mmSize of door bell is about 95 x 60 mm Package Content:1x Remote control wireless door bell1x Remote Control   

Scope of application: family, villa, office building Type: wireless doorbell Power supply voltage: 5 (V) Working distance: 100m Body material: imported ABS high-quality resin note: The DC receiver requires 2 AA batteries