which can be independently operated at any moment to change delay time without too many mode switching

Position:Ocean Rock Fshing

Type: PORTABLE

Input: 100-240V/0

Material: Stainless Steel

Rockbros Bike Light Waterproof Cycling Helmet Taillight Lantern for Bicycle Led Taillight which can be independently operatedRockbros Bike Light Waterproof Cycling Helmet Taillight Lantern for Bicycle Led Product Detail: Mode: 5 modes Lumen: About 20 lumen Charge: USB Rechargeable Battery: Rechargeable lithium battery Waterproof: Daily waterproof, Can't be soaked Size: About 3. 1*2*4cm Weight: About 22g Function: Bike bicycle rear light taillight, Helmet Taillight, Bag Warning Light ROCKBROS Bike Light Waterproof Cycling Helmet Taillight Lantern For Bicycle LED USB