Unique Design433Mhz RF Wireless Remote Control Switch. Stable and reliable performance, receiving sensitivity (> - 105dBm). A strong signal can pass through walls, floors, doors. it can pass through walls, floors and doors, control the receiver from any location within a reliable distance. The maximum range can reach 164 feet without obstacle. Easy to Use: Extremely easy to set up and reset. There are 3 working modes (momentary/toggle/latch mode) can be chosen. You can easily configure it yourself according to your needs. The working mode of the product is adjustable. This item has already been configured in locked mode. And ON button to turn on and OFF button to turn off. High SensitivityThe receiver adopts 30A relay.capable of charging high-power electrical appliances to ensure long-term stability control.Each receiver can store about 20 transmitters. And one transmitter can also control multiple receivers (transmitter must match receiver). Quality AssuranceHigh quality relays can be used more than 100,000 times. Make this product more stable and reliable. The high power terminals can withstand a current of 30A, so this product can have a good effect even when current is unstable. The receiver is suitable for voltage 85V~240V, it is more flexible use Wide ApplicationThe products can be used in homes, farms, factories, offices, laboratories, supermarkets, etc. You can remotely operate each device connected to the relay receiver via the remote control. such as lights, pumps, wireless security alarms, fans, lamps, ventilation devices, monitors, printers, fountains and other electrical equipment, etc. Secure SystemThe chip code is EV1527 learning code which is the most popular technology which makes the remote control system more stable. Strong Signal ReceptionThere is an antenna on the receiver, so you can stretch it yourself to get stronger signal reception. The remote control distance can be up to 50 meters. More flexibility Extremely easy to configure and reset. You can easily add additional wireless switches yourself according to your needs. Product parameters AC 85V~265V 30Amp Voltage: AC 85V~265V Max current: 30A RF frequency: 433MHz Support encoding: 1527 learning code Receiving sensitivity: > 97dbm RF working mode: ASK superheterodyne wireless reception Working temperature: -30~+80 Receiving range: Open space is more than 50 meters Quiescent current: <5 MA Locked mode Press the ON button, the relay will turn on; Press the OFF button, the relay will turn off. Installation Press the learning button (on the receiver) 3 times. Wait 3 seconds; Press the ON button on the remote control. Wait 3 seconds. Press the OFF button on the remote control. Succeed.