GERMA Wireless RF 433mhz Remote Control Switch 1gang 2 Way Waterproof Push Button Switch No Battery Self-powered for Light Home

GERMA Wireless RF 433mhz Remote Control Switch 1gang 2 Way Waterproof Push Button Switch No Battery Self-powered for Light Home Self-powered wireless remote control switch This is a self-powered wireless remote control switch that does not require a battery and can be used directly after buying it. The appearance is beautiful and elegant, and it is the best choice for switches. What is a self-powered switch? The self-powered wireless switch presses itself to generate electricity, no wiring at all, no battery power supply, self-generated electricity for self-use, energy-saving and environmentally friendly patented product, press life more than 100,000 times, use with self-generating receivers. No wiring from lamp (electric equipment) to switch Advantage 1. Save wires and save labor, no risk of electric shock and combustion without contact with strong electricity, no heat source inside and no temperature rise influence; 2. One lamp holder can be matched with multiple free sti