1/2/4pcs USB Anti-Collision Bike Tail Lights Remote Control Mini Cycling Warning Light Universal 3.7V 350mAh Waterproof for Vehicle Drone Feature: 1. LED Strobe Light: The night riding warning light has a built-in 350mAh/3.7V battery for long-lasting battery life. It uses a bright wick to improve the night warning effect. 2. Waterproof: Our LED lights are waterproof tested. Driving in rainy days, don't worry about the bicycle wheel lights will be damaged, suitable for any weather, but please don't leave them in the water for too long. 3. 7 Colors & 2 Modes: 7 light colors: white, red, green, blue, yellow, purple, sky blue. Setting mode: fast strobe light, slow strobe light. A cooler way to travel. 4. Easy to Use: Drone strobe light Micro USB port, with charging cable, portable charging; with remote control, remote control is more convenient; 3m Magic Sticker fasteners can be adhered to a flat surface or fixed with a rubber ring. 5. Multi-purpose: LED strobe lights are suitable for bicycle lights, motorcycle night lights, night running, drones, warning lights, etc., to meet different needs. Specification: LED Strobe Lights: Car Flashing Lights Cycling Warning Tail Light: Night Motorcycle Strobe Light Model Name: LED Strobe Lights Special Features: Remote Control Product Name: Strobe Light Material: ABS+electronic components Color: As picture Style (optional): 1pc, 2pcs, 4pcs Product size: About 48x34x18mm/1.9x1.34x0.7in Net weight: (1pc) 18g, (2pcs) 36g, (4pcs)72g Gross weight: (1pc) 75g, (2pcs) 95g, (4pcs)190g Built-in battery: 3.7V 350MAH Charging interface: MICRO USB Light color: white, red, green, blue, yellow, purple, sky blue Use time: about 3.5 hours when flashing Product charging: 5V 1A Charging time: About 90 minutes Setting mode: Fast strobe light, slow strobe light Applicable to: Drone, locomotive, car, tent, bicycle, outdoor Package list: 1pc: 1 x Strobe Light, 1 x USB Charging Cable, 2 x 3m Magic Sticker, 1 x Remote Control, 4 x Rubber Rngs, 1 x Manual 2pcs: 2 x Strobe Light, 1 x USB Charging Cable, 2 x 3m Magic Sticker, 1 x Remote Control, 4 x Rubber Rngs, 1 x Manual 4pcs: 4 x Strobe Light, 4 x USB Charging Cable, 8 x 3m Magic Sticker, 4 x Remote Control, 8 x Rubber Rngs, 1 x Manual Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement. Packages: 1/2/4 x Strobe Light Set _x000D_