Quick Details
  Type: Doorbells
  Model Number: SIM1010DBV1
  Power Source: Plug
  Doorbell Type: Wireless
  Standby power:    operating temperature: -25 to 50
  Certificate: CE RoHS
  lifetime: 200,000 clicks
  Transmitter Dimensions: 70mm*15.5mm
  Receiver Dimensions:94mm*53mm*34mm
   Communication Mode:   FSK (means no interference)
   Color:   White
   Voltage:   AC100~240V 50/60Hz
   Connectivity Range:  30~50meters (be able to penetrate the wall)
   Number of songs:      48 songs(Default: Ding-Dong)
   Volume range:      6 grade(including silence)
Wireless doorbell Overview
The Battery-Free Wireless Doorbell is a breakthrough high quality technology product.
Based on radio frequency and energy harvesting technology, battery-free wireless doorbell transmitter doesn't need external power supply nor embedded battery to control the receiver, easy use and installation. When press the button, the mechanical energy will automatically convert into electrical energy. Meanwhile, the transmitter will send out a radio signal to control the receiver.

• No interference and Waterproof
• Fast, simple installation: No wire, no battery, no hassle
• Transmitter Maintenance-Free(No batteries required-powered by your touch)
• Energy Saving-standby power
• Freedom to place transmitter anywhere-on the wall near your door or other place

No interference and WaterproofSimpleLinkHome