1、Memory function: turn on the light after turning off the light, the bulb can save the state before turning off the light. Reduce the frequency of use of the remote control. 2、Each model is full voltage, universal in scope. 3、Remote control, brightness adjustment, mode switch, 16 keys color change. RGB+W bulb lamp, heat emission hole design, high-transmittance lampshade, constant voltage drive. It is high brightness, energy saving, eye conservation, no flicker. Remote control, brightness adjustment, mode switch, 16 keys color change. Features: Memory function: turn on the light after turning off the light, the bulb can save the state before turning off the light. Reduce the frequency of use of the remote control. Each model is full voltage, universal in scope. Remote control, brightness adjustment, mode switch, 16 keys color change. Multiple convection vents allow the lamp to dissipate heat quicker and with more efficient performance. The use of optical high-transmittance lampshade, high light transmittance, uniform light emission. Constant voltage drive, high electro-optical conversion efficiency, stable light efficiency. Standard E27 screw base, nickel plating process, well electrical conductivity. High brightness chip, energy saving, eye conservation, no flicker. Applicable to illumination of various scenarios, KTV, bar, home, party, program, lantern, desk lamp, garden landscape. Specifications: Material: PC cover + PBT plastic coated aluminum Color: White Watt: 3W/A60, 5W/A60, 10W/A70, 18W/A60, 18W/A70, 15W/A80 (optional) Input Voltage: 85-265V Luminous Flux: 120-800lm Beam Angle: 270 degree Color Rendering Index: 80-90 Watt Factor: 0.5 conservation Class: IP54 Energy Efficiency Grade: 3 Color Temperature: E27 interface RGB+W Remote Control Mode: Remote control Energy Supply Mode: Supply from socket Lamp Bead Model: 5050 Lamp Holder Model: B22/E26/E27 Working Life: 20000H Remote Control Cell: 1 x CR2025 button cell (included) Item Size: 3W/A60, 5W/A60: 106 * 60mm / 4.17 * 2.36in 10W/A70: 128 * 70mm / 5.04 * 2.76in 18W/A60: 115 * 60mm / 4.53 * 2.36in 18W/A70: 120 * 70mm / 4.72 * 2.76in 15W/A80: 146 * 80mm / 5.75 * 3.15in Package Weight: 3W/A60, 5W/A60: 60g / 2.12ounces 10W/A70: 80g / 2.82ounces 18W/A60: 73g / 2.57ounces 18W/A70: 86g / 3.03ounces 15W/A80: 91g / 3.21ounces Package Size: 3W/A60, 5W/A60: 116 * 66 * 60mm / 4.57 * 2.6 * 2.36in 10W/A70: 123 * 76 * 70mm / 4.84 * 2.99 * 2.76in 18W/A60: 116 * 66 * 60mm / 4.57 * 2.6 * 2.36in 18W/A70: 123 * 76 * 70mm / 4.84 * 2.99 * 2.76in 15W/A80: 150 * 90 * 85mm / 5.91 * 3.54 * 3.35in Packing List: 1 * Bulb Lamp 1 * Remote Control 1 * Bulb Lamp 1 * Remote Control