Feature: 1. [Smart Remote Switch] This remote control switch has strong penetrating capabilities, allowing 360-degree all-around remote control through walls with a range of up to 3000 meters in open field. 2. [Easy Installation] Install the control switch between the device you want to control and the power source. Remotely turn devices on and off within a range of up to 3000 meters. 3. [High Power] Equipped with a high-power relay, this remote switch is suitable for electric motors, water pumps, washing machines, and other household appliances. 4. [High Safety] Constructed with flame-retardant material for safety and durability. The internal circuit uses an isolated power transformer for voltage reduction to help prevent damage from unstable grid voltage. 5. [Wide Application] Compatible with roller shutter doors, gate barriers, household appliances, ceiling lights, water pumps, garage doors, industrial control systems, security systems, and various electrical equipment. Specification: Item Type: Remote Control Switch Material: Flame Retardant PC Model: CHLT 1103 Remote Distance: 100-3000 Meters (Open Field) Remote Control Battery: 6F22 9V Lithium Battery x 1 (Not Included) Voltage: AC220V, AC380V Control Power: ≤3.5KW, ≤1KW Package List: 1 x Remote Control Switch 1 x Remote Control (Battery Not Included) 1 x User Manual