STRONG SIGNAL - Adopts RF technology , signal can pass through walls, floors and doors, steadily control receiver from any place within a reliable distance. Max range is up to 328ft with no obstacle. High Power Load: With 30A relay of receiver , which can load high-power electrical appliances to long-term stability control. Security Control: Learning code has high-level security for its low repetitive rate and re-learn mode, it can delete the old code and re-learn a new code,when a remote control get lost. So you could always control of it. Easy to Use: Extremely easy to setup, learn, relearn and control(please refer to introduction). Stable and reliable performance, high receivesensitivity. Wide Application: It is mainly used in lamps,electric doors,,lifting equipment,gate,elevator,industrial control and security industry and other fields. Voltage:AC85V-AC250V maxload:30A working distance:1000m Working temperature: - 40 -+80 () Switch type: single-circuit remote control switch, remote control switch Receiver power supply: AC85-250V Protection grade: IP65 Product series: remote control Colour:As Shown Material:ABS Package Contents: 1 * remote control 1 * switch 1 * Chinese and English instruction manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.