Description: ABS thick flame retardant material, high heating resistance, high qualified material made; 4-Channel RF Wireless Remote Controller for Garage Doors, Gate Doors, Agricultural Water Pump, Households, Lightings, Exhaust Fan, Airflow System; This is a fixed frequency remote cloner (433.92mhz) for copying 99.99% common fixed and learning code remote controls. Working modes: Jog, Self-locking, , 433MHZ RF, 100-150m sensor area appriciated; It is a remote control can operate four different types of facilities at once; Specification: Material: ABS Switch: approx. 6.5 x 4 x3cm/ 2.56 x 1.57 x 1.18inch 528-4 control: approx. 9 x 4 x 1cm/ 3.54 x 1.57 x 0.39inch Power Supply: AC 220V / 30A RF: 433MHZ Working temperature: - 20 to 80 Sensor distance: 100-150m 1. Jog: Press learning key for once, after the green light is normally on, immediately press the key on the remote control that you want to match. When the light continuous flashing stops, it finished learning. 2. Self-locking: Press the learn key for successive twice, LED flashes twice, immediately press the key on the remote control that you want to match. When the light continuous flashing stops, it finished learning. 3. : Press the learn key for successive 3 times, LED flashes three times, immediately pressing "A" key for once means ON, and the LED flashes, then press "B" key means OFF. When the light continuous flashing stops, it finished learning. 4. Clear the data: Press the learn key for successive 8 times when the indicator light restore off, it clear data successfully. Package Includes: 1 Piece Switch Case 1 Piece Controller Note: Note: when the loaded supply power is greater than 600W, AC contactor needed for protection;