*Features*: *Keep Your Dog Safe*:Do you ever think about that there is hidden danger due to low visibility when you take your dog for a walk in the evening? Our LED dog collar will make the driver and rider clearly see moving lighting collar in advance at a distance,which will effectively prevent any fatal accident from happening during night walking or low-light conditions. *USB Rechargeable Collar*:Powered by built-in rechargeable battery,this safety dog collar supports about 40minutes continuous lighting after fully charged. Besides,package includes 1* USB charging cable,convenient for you to charge it by laptop,power bank,car charger and so on. *3 Lighting Modes Options*:Come with 3 different lighting modes in multi-color,you can press the button to select from quick flashing mode,slow flashing mode and multi-color changing & quick flashing alternating mode. *Adjustable Collar Length*:S/M/L 3 available sizes,our light up dog collar can fit for diverse figures of dogs,you just need to measure your dog’s neck circumstance and choose the appropriate one. Moreover,you can also cut the dog collar to your desired length for a perfect fit. *Enhanced Visibility & Lightweight*:Made of sturdy,lightweight PVC material,won’t cause any extra burden to your dog’s neck. Premium polymer fiber makes the light travels much further and glow up more gentle light. Suitable for a variety of night activities,like nigh walking,camping,house dog,and etc.. Keep your furry friends away from potential danger all the time. *Specifications*:  Product Type: LED Dog Collar  Material: PVC, Polymer Fiber  Color: Multi-Color  Size Option: S/M/L  Input: 5V/1A  Power Supply: 3.7V 110mAh Built-In Rechargeable Battery  Charging Port: USB  Charging Time: 30Min  Working Time: 40Min  Lighting Mode: Quick Flash; Slow Flash; Multi-Color Change & Quick Flash Alternate  USB Charging Cable Length: 30cm/11.81in  Item Size:  1x1x35cm/0.39x0.39x13.77in (S);  1x1x50cm/0.39x0.39x19.68in (M);  1x1x70cm/0.39x0.39x27.55in(L)  Item Weight: 56g/0.12lbs(S); 64g/0.14lbs(M); 80g/0.17lbs(L) Package Size: *S: 17x15x2.5cm/6.69x5.91x0.98in *M: 20x19x2.5cm/7.87x7.48x0.98in *L: 25x24x2.5cm/9.84x9.45x0.98in Package Weight: *S: 62g/0.14 lbs *M: 70g/0.15 lbs *L: 95g/0.21 lbs *Package Lists*: 1x LED Dog Collar  1x USB Charging Cable  1x Warning Card