Feature: 1. [Smart Remote Switch] This remote control switch has strong penetrating capabilities, allowing 360 degree all round remote control through wall and up to 3000 meters control distance. 2. [Easy Installation] Simply install the control switch between the device you want to control and the power source. You can easily turn devices on and off within a range of 3000 meters. 3. [High Power] Featuring high power relay relay, this remote switch is suitable for various applications including electric motors, water pumps, washing machines, and household appliances. 4. [High Safety] Constructed with flame retardant material for safety and durability. Internal circuit adopts an isolated power transformer for voltage reduction to prevent internal burning due to unstable grid voltage. 5. [Wide Application] Suitable for roller shutter doors, gate barriers, household appliances, ceilings and electrical equipment, water pumps, lights, garage doors, industrial control, 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 Li Battery x 1 (Not Included) AC220V AC380V Control Power ≤3.5KW ≤1KW . Package List: 1 x Remote Control Switch1 x Remote Control (Battery Not Included) (Chinese/English Silkscreen Random Delivery)1 x User Manual