Measure distances easily and accurately with this Bosch BLAZER GLM20 distance measuring laser. The laser measure offers real-time measurement using precision technology to take walk-off readings from the wall and other surfaces with 1/8" accuracy and up to 65 feet for instant, accurate results. Easy to use with a touch of a button, this measuring tool has a backlit display for easy reading even in darker spaces. The 4" (10 cm) laser works with two AA batteries, and it has a compact and rectangular design for great portability. The design ensures it's easy to use and can rest flat on any surface, fit comfortably in your hand or can be stowed in your pocket until you need it. 2-year warranty.