Features: The receiver adopts 40A relay, which can load high-power electrical appliances to ensure long-term stability control. Adopts RF technology ,it can pass through walls, floors and doors, control receiver from any place within a reliable distance.Max range is up to 328ft with no obstacle. It can remote control equipment on land, water and air, such as remote control lights, sirens, locks, motors, fans, winches, linear actuators, doors, windows, electric solenoid valves, security alarm, business signs and various devices. Wireless control, easy to use, wireless rf signal can pass through walls, floors, doors or windows. You can turn on/ off the receiver with switch (remote control) from any place within a reliable distance. Specifications: Working Voltage: AC90V-256V Max Load: 30A Relay, Resistive load≤25A, Inductive load≤20A Working Frequency: 433 Mhz Receiving Sensitivity: -112dBm Function option: Click/ Self-lock / Interlock / Delay Matching Mode: Intelligent Learning code Output Mode: Dry contact /Voltage output Working temperature: -40~+80 Dimension: 66*44*29mm Remote Control Distance: 100m Instructions: About working mode: Momentary: Push the remote button, the relay connects, release the remote button, the relay dis-connects. Toggle: Push once the remote button, the relay connects, push twice the remote button, the relay dis-connects. Latched: Push the remote button ON, the relay connects, push the remote button OFF, the relay dis-connect. Package includes: 1x Wireless Remote Control Switch 1x Remote Control