Usage Tips:Features: and Remote and 2/4/8/12 hours timing,when normal open red led light on,working mode is no timing,blue led light is 2hour timing,green light is 4hours timing,yellow light is 8hours timing,red light is 12hours timing. Suitable for USB desk Fan USB Ceiling Fan, USB LED Light lamp bulb,USB Charger and more USB Powered devices. Function,Timing,ON/OFF switch,USB extension cable,can be use manually or remotely,Remote distance is about 2 meter. Choose the schedule you want: 2hour, 4hour, 8hour, or 12hour, Simply insert in your USB Fan or USB lights,set for time. 150m(59inch) length cable,USB Male to Female Extension Switch Cable,only for powered,can not support transfer data,this cable can not adjust fan speed. Specifications: input voltage: 5V 2A Material: Plastic Color: White Power cable length: 150cm/59inch Remote battey: 3V CR2025(include) Note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Remote 1x USB Extension Cable