Self Powered Wireless Door Bell (Pro# RPA228)

• No Battery Required. The transmitter has a built-in kinetic energy generation module, which doesn't need any batteries.
• Strong Signal: Long distance transmission up to 150 meters in the open space. Within 30m range, it has very strong signals which will easily go through external walls, wooden doors, steel doors and internal walls
• Out Door transmitter is rated IP44. Rainy days can also be used, sowed and durable
  
• 38 ringtones

Specifications:

• Power supply mode: AC
• Power supply voltage: 100~220 (V)
• Scope of application: >150m