Targus India manufactures Wireless Optical Laptop Mouse with built-in low power indicator light. This wireless mouse features a stow-and-go USB receiver that attaches securely to the bottom of the mouse for added portability and convenience. The receiver also triggers an On/Off switch to help conserve power when the mouse is not in use, for up to 6 months of battery life. The built-in low power indicator light lets the user know when to change the two AA batteries. The integrated tilt wheel provides 4-way scrolling for easy navigation by enabling users to scroll vertically and horizontally. This mouse offers RF technology coupled with switchable 1,600/1,200/800 dpi resolution allowing for adjustable cursor speeds. Battery life will vary based on usage. Targus India Wireless Optical Laptop Mouse with built-in low power indicator light comes in Black & Silver colors with size: 95.3 x 59.7 x 38.1 mm and 1 year limited warranty period. This Wireless Optical Laptop Mouse weighs 114g and turns red to indicate it is time to replace the batteries. Change DPI between 1600/1200/800 adjusts cursor speed to personal preference, designed for modern widescreen laptops.