Just turn your E-Tac light on and leave it on! After a customizable pre-set amount of time without any motion, the on-board motion sensor automatically turns the light off to save battery. It will turn on the second you move your bow. The timer can be set from 10sec to 10mins. 

Features:

• The E-Tac light turns on if it senses motion, and it automatically turns off if left stationary for a customizable set length of time to conserve its rechargeable battery
• Super wide brightness range. 15 Levels with memory
• 600mAh rechargeable Li-ion battery. Battery life: approx. 1000 hours (level 1), 30 Hours (Level 15)
• 4 Mounting solutions to fit almost every bow
• The E-Tac Light can be solidly mounted on the sight or riser with the included CNC aluminum mounts
• The power pack is rain resistant. The LED is Waterproof
• CNC aircraft aluminum body

Package Includes:

• E-Tac Light power pack
• 8-32 Blue LED
• 3/8-32 Blue LED
• 3/8-32 to 1/4- 28, 3/8-24, 7/16-20, & Fiber adapters
• Mounting accessories: 3 CNC T6 plates. Assorted screws
• Fast charger-Wall 110-220V. Fast charger-Car
• Micro-USB charging cable
• Instructions manual