Easy to install, no wiring required, screw on and use immediately, instantly becoming intelligent. Suitable for E27 lamp holders, remote control, remote control distance up to 8 meters. There are 5 adjustable delay settings: 5, 15, 30, 60 minutes, or 120 minutes, so you no longer have to worry about the lights turning on or off. Applicable lighting fixtures: ordinary LED lamps, energy-saving lamps, incandescent lamps, etc. Product parameters: Rated voltage: AC85-265V, Battery model: 3V/CR2025, Load power: ≤ 40W, Remote control distance: 8M, Timer function: 5/15/30/60/120min, Lamp head size: 83.5 * 49mm. Package includes: E27 lamp holder, Remote control.