Good Stability433MHz radio frequency signal transmission with high reception sensitivity and high resistance to interference. The strong signal can pass through walls, floors, doors, panels, etc. It can be controlled from a distance of up to 50 meters in open areas. Wide Range of ApplicationsThe product can be used in homes, farms, factories, offices, laboratories, supermarkets, etc. You can remotely control any device connected to the receiver via the wireless switch. Such as lights, lighting, ventilation devices, garbage disposals, DIY wireless plugs, signal transmission, etc. Flexible DesignWith a 1-channel design, you can store up to 15 handheld transmitters at the same time. You can program 3 operating modes (momentary/toggle/locked mode). You can easily program yourself according to your needs. The operating mode of the product is adjustable. Quality GuaranteeThe maximum current can withstand 10A, the chip code is EV1527. It is the most popular technology nowadays, which makes the remote control system safer. Switch Product Parameters AC90-250V KR2201A Input Voltage: AC 85V-250V Maximum Charging Current: 10A Maximum Charging Power: 2200W Resistive Power 500W Induction Power 200W Capacitive Power 2200W Incandescent Lamp 300W LED Lamp 300W Energy Saving Lamp RF Working Frequency: 433MHz Remote Control Distance: Open Area More Than 25 Meters NOTE 1) Do not wire when the appliance is powered on, turn off the power supply to wire and turn it back on after checking and confirming that everything is correct. 2) When the voltage of the remote control is low, replace the battery in time. 3) When using wireless electronic products, be sure to avoid metal masks and large electronic devices, so as to prevent the distance between the remote control and the receiver from being too short or normal operation being interrupted.