This is not only a retractable keychain but also a flashlight. The easy-pull buckle is strong enough to hold a key ring on your belt, and the retractable cord is 70cm long and can be extended to open the door when in use. When not in use, once you let go, it will automatically bounce back to your waist, avoiding the frequent loss of keys due to random throwing. The rechargeable flashlight has 4 lighting modes to meet your different needs: COB 100% high light, COB 60% medium light, COB 30% low light and COB strobe mode. You can press and hold for 3 seconds in any mode to change to 100% super bright mode. Do not look directly at the COB light. This mini work light is small enough to hang on a keychain, backpack strap, or carry in your pocket without needing to be stored, and it's waterproof and impact-resistant. The COB technology adopted can meet your as an emergency light and small work light. You can use it in a of scenarios, such as camping, walking your dog, finding things, and repairing. The retractable key ring can be widely used in offices, homes and outdoor activities such as fishing and hiking, and can be used with ID cards, access cards, keys, etc. Material: ABS+zinc alloy colour: silver+black Package Contents: 1 x Easy-pull button light 1 x USB 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.