PRECISE WORK: The light module provides light directed at the work-area for better visibilty for optimal precision EASY: The easy-to-use push button allows to switch the light on and off quickly REPLACEABLE BATTERY: The attachment has a replaceable lithium-cell battery DREMEL COMPATIBLE: Compatible with all following Dremel multifunctional rotary tools: 200, 300, 3000, 395, 398, 400, 4000, 4200, 4250, 4300, 7700, 7750, 7760, 8000, 8100, 8200, 8220 The Dremel LM1 light module allows for better and more precise work with your Dremel rotary tool, by enlightening the desired area. Compatible with every Dremel multitool that has a threaded nose: 200, 300, 3000, 395, 398, 400, 4000, 4200, 4250, 4300, 7700, 7750, 7760, 8000, 8100, 8200, 8220. With replaceable battery type: LI CR1025 Product consists of 2 pieces: - Light module ring - Dedicated nosecap with softgrip and EZ Twist integrated wrench, Weight: 0.0440924524 Pounds, Manufacturer: Dremel