1100% and high quality. 2The laser receiver allows detection of green/red pulse laser beams in difficult light conditions, distances up to 40m. Beep sounds will remind you when you find the target. 3LCD backlight provides a clear look even in low light conditions. 4Dual LCD displays for easy visual readout on both sides of receiver 5It is good for plumbers, contractors, carpenters, masons, home renovators, construction workers, electricians, DIY lovers and others who needs reliable detection. Features: 1.100% and high quality. 2.The laser receiver allows detection of green/red pulse laser beams in difficult light conditions, distances up to 40m. Beep sounds will remind you when you find the target. 3.LCD backlight provides a clear look even in low light conditions. 4.Dual LCD displays for easy visual readout on both sides of receiver 5.It is good for plumbers, contractors, carpenters, masons, home renovators, construction workers, electricians, DIY lovers and others who needs reliable detection. Specification: Condition: 100% Working Distance: 40m Working Temperature: -10-50 Power: 2 * AA Battery(not included) Weight: Approx. 310g / 10.9oz Size: Approx. 140 * 68 * 26mm / 5.5 * 2.7 * 1.0in Package List: 1 * Digital LCD Laser Receiver1 * Clamp