Remote with Group Setting These wireless puck lights rechargeable with a remote can be assigned into 2 groups for separate control. TWO control options: a HAND SWEEP under the light (within 1.2 inches) or tap on the REMOTE CONTROL, all the LED lights in the same group can be turned On/Off in unison. Dimming is also synchronized across the entire group. Advanced Optical Design Using special lenses on each LED bead, it delivers a brightness of over 200Lux (at 19.68inch height), These LED puck lights provide a natural daylight color at 5000K, suitable for most household uses. Easy full-range stepless dimming (10-100%) by hovering hand under the sensor. Regulated Constant Brightness Long battery life, it lasts over 19 hours on the Max Brightness and 100 hours in Min settings. The puck light also has a regulated output design, so it won’t go dim during use like the direct drive lights. Rechargeable and Easy Installation The Built-in 2000mAh lithium battery in these battery puck lights saves you up to 80 AA dry cell batteries in a year, per light. TWO easy-to-install options, it has a magnetic back for snapping onto metal shelves or vehicles directly, or use the included adhesive disk for other surfaces. Broad Application 3.3” in diameter and 1.2” thick, it is compact and versatile. This puck light with a remote solution is ideal for wine cabinets, display lights, LED closet lights, under cabinet lights, and counter lights for the kitchen.  Induction mode is to receive the role of external infrared sensing, close to the location of the heat source near the position by the easy to cause accidental activation; please avoid installing the light near the heat source, it is recommended that the light body is installed in the middle of the black sensor is directly opposite to the location of the heat source and obstacles interfering with the induction;