Brand New - Cliff-Top&reg; 4 Amp Motorcycle Magnetic Switch USB Power Charger - Prevent Battery Drain FCC and CE Approval that Features Built-in Safety Fuse and Auto Shutdown System to Protect Against Shorts and Surges. On/Off Magnetic Switch Lip (Rubber Water Resistant Cap) to prevent battery drain Input: DC 12-24v, 30v Max; Output: DC 5v/ 4 Amp Hi-Speed USB charging ports (Auto Shunt - Can Charge Two Mobile Devices Simultaneously) Handlebar Mounting Bracket - Suitable for 10mm (0.39"), 22mm (0.87") and 25.4 mm (1" ) wide handlebar with 1.2 metre long wire - Can be installed under seat or handlebar mounted; Enables use of electrical products, such as mobile phone charger, Sat-Nav etc. Compatible with Cliff-Top Motorcycle Waterproof Charging Cable (Micro and Apple 8 Pin Devices - Amazon ASIN: B010RXQ1VG) and (Dual Female USB Ports - Amazon ASIN: B010RYOB9E); Designed and Made By Cliff-Top Inc. in Taiwan