Self-powered wireless wall switch requires no battery and no wire. It uses the unique energy harvesting technology and ultra-low-power wireless technology with worldwide patents pending. When press button of transmitter, it converts kinetic energy into an electrical energy internal, and then send signal to receiver, you could control the lamp by receiver.

Specifications as below:

• 180~260V
• Transmitter: Self-powered
• Operating Temperature: -10~45
• RF frequency: 433MHz