1. The product has a power indicator, you can always know the remaining battery. 2. There are powerful magnets on the bottom, you can stick to any iron . 3. The bottom frame can be turned into a hook and can be hung in many places. LED specification:24 SMD LED Power:30W Light source type: COB Lumens: 500lm Color temperature: white light Waterproof dust rating: IP65 Battery: 3.7V 4000mAh 18650 Lithium ion battery Power: USB charging (red charge, full of green light) Switch type: button Life time: 6-36 hours Scope of application: camping, testing, maintenance, daily emergency, etc. Life expectancy: 30h Colour:Yellow & Black Material:PVC Package Contents: 1 x Portable Torch COB Work Light 1 x USB Charging cable 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.