It is a wireless electrical switch that can connect to a wide range of appliances. The cloud server of Sonoff RF is Amazon AWS global server. Sonoff RF switch is a SONOFF version with a 433.92MHz RF receiver module inside.
eBay
Kinetic No battery Need Wall Switch. --Energy cycle,Conversion of kinetic energy to electrical energy. Strong rf signal. The receiver has fuse,for safety. RF frequency : 433MHz. Receiving Sensitivity : >97dbm.
eBay
Kinetic No battery Need Wall Switch. --Energy cycle,Conversion of kinetic energy to electrical energy. RF frequency : 433MHz. Strong rf signal. The receiver has fuse,for safety. Receiving Sensitivity : >97dbm.
eBay
This product has no wifi function. Only RF 433MHz function. Power mode: Kinetic energy self-generation. As halogen/incandescent/cfl/fluorescent/LED. The auto -food wireless switch is pressed to generate electricity, without cable.
eBay
Tuya Smart Wifi Touch Light Switch NO Neutral Wire Required - UK 1 Gang. The Smart Wifi Touch Light Switch is a wireless wall plug-in switch that requires no neutral wire for installation. WiFi: IEEE 802.11bgn 2.4GHz.
eBay
Frequency: 433MHz. Works through walls—no wiring needed between switch and receiver. 1 x 433MHz Relay Receiver. Compatibility: LED, CFL, Fluorescent, Ceiling Fans. ⚡ Strong Compatibility: Works with most types of lights including LED, CFL, and fluorescent bulbs (up to 300W); can handle resistive loads up to 2500W.
eBay
Kinetic No battery Need Wall Switch. --Energy cycle,Conversion of kinetic energy to electrical energy. RF frequency : 433MHz. The receiver has fuse,for safety. Receiving Sensitivity : >97dbm. Press wall switch button twice,the indicate will blink twice.
eBay
6, working mode: jog, self-locking, interlock. 1 x Receiver with shell. 4, load power: 2200W. 12,Total load power: 1100W per way. Once we know you have not received your item we will investigate the matter fully both internally and with our carriers.
eBay