The Hawke laser range finder pro range is designed to give you a choice of very accurate distance measurements with the push of a button. It has been ergonomically constructed to fit comfortably in your hand with easy access to both of the mode control buttons. It's range finding capabilities include distance, height, height difference and angle. The LRF requires a 3V CR2 battery and will automatically turn off after 15 seconds of no operation to save power. The Hawke laser rangefinder has been manufactured with an eye-safe CE approved laser and can be used in golf, construction, shooting, site survey and a many other tasks.