• 9520FD3 1 to 2 wireless digital electronic door chime.
• Sensor range: 100-150 m.
• 36 pieces of melody music available.
• With strong anti-interference system avoid false ringing.
• Wireless design offers easy installation.
• One remote control can control two chimes.
• Perfect for office， home， shops， factories， etc.

Package Details Weight: 235.40 g
Size: 26*17.5*2 cm
Package Includes 1 × On/off Controller
2 × Chimes
1 × Battery for Remote Control
1 × User Manual