The "Wonder Light" glowing collar is an LED product designed to enhance safety during nighttime walks. It's USB rechargeable, eliminating the need for battery replacements. It has a waterproof function, allowing use in light rain. The collar can be cut to adjust the size, accommodating small to large dogs. A high-brightness LED USB rechargeable collar with a visibility distance of 400m. Provides peace of mind in preventing accidents during dark hours. The high-altitude LED is brighter than conventional products. Body weight: 50 g Diameter (outer): Maximum 20cm Full charge time: 20 minutes to 30 minutes Circumference: Maximum 70cm Light emission time: 3 hours (all lights on, continuous use) USB type: TYPE-C USB cord: 50cm Number of recharges: Approximately 5000 times The tube part uses silicone. It can be folded and carried in a bag when going out. 3 minutes of charging allows for approximately 1 hour of use! Charging for 15 minutes allows for 3 hours of continuous use. *It can be used continuously for a maximum of 3 hours with all lights on, which tends to deplete the charge quickly. Safe to bite! Even if bitten and cut while the LED is lit, there is only a weak current flowing, so there is no risk of electric shock. *Of course, we do not recommend biting. The development staff actually bit it and felt a slight tingle. Size adjustable for small to large dogs! - Model name: Wonder Light - USB charging: Supported - Cuttable: Possible - Maximum diameter: 20cm - Weight: 50g - Visibility distance: 400m - Color: Colorful (rainbow) First come, first served ჱ̒˶ー̀֊ー́ ) Instant purchase OK! I have many other items for sale, so please take a look (ˆ꜆ . ̫ . ). *We offer a small discount for bulk purchases, so feel free to consider it(*´`) ⚠︎︎Since it is also listed on other flea market sites, please purchase early! Thank you for viewing.