Specification: Material: ABS plastic. Clamping range: 5080 mm (46.3 inch) cell phones. Color: red Size: width x length 52 x 120 mm. Charging time: 5 hours. Battery: built-in 2000/4000 mAh Output voltage: 0.8 A. Lamp beads: 2 x LED. Speaker decibel: 130 dB. Scope of delivery: 1 x bicycle cell phone holder. Description: 4-in-1 multifunctional - bicycle mobile phone holder with 400 lumen bicycle LED light, 2400 mAh charging treasure, high-decibel horn. Not only can you save more money, but you can also save more space on your bike handlebars. Bike Headlights and Bike Bell - 400 lumens double LED lights with 3 modes (press for 3 seconds to high, low, blink), enough brightness to keep you safe no matter when you are on an urban street or on a dark country road travel. Meanwhile, the horn has 5 sound modes (long press for 4 seconds to switch), up to 130db, which is loud enough to warn others about you. Rechargeable via USB - Built-in 2400 mAh / 4000 mAh battery that provides 4 hours of intense light, 8 hours of low light, 6 hours of fast light. It can be charged from your computer or any device with a USB port. And you can use it to charge your phones. Sturdy mobile phone holder: Compatible with most devices, supports mobile phone range: 10.2 cm - 16 cm. Easy installation and widely used - no tools required for installation and fit for handlebars of motorcycles, mountain bikes, e-bikes, folding bikes, scooters, etc.