Green laser detector/receiver for Leica, Topcon, Rugby, Spectra rotary laser levels with a wavelength of 515Device size (including shell) 140mm x 68mm x 25mmThis detector is only suitable for green beams with a wavelength of 500 to 540nmBeam reception indicator: LCD (front and back) / buzzerPower supply: 1 x 9V batteries (not included)Operating time: 40 hoursDetection accuracy: 1mm and 5mmWeight: 200gBattery level indicator on the LCD screen.Acoustic and visible indicators. (Sound can be turned on or off)Beam Color: GreenProduct: Laser Detector/ReceiverMPN: Green Laser DetectorPackage Contents1* Green Light Laser DetectorRemarks:1. Due to different measurement methods, the measurement allows an error of about 2-3 cm. This situation is not a quality problem. (1 inch = 2.54 cm)2. Due to different lighting and screens, the color of the product may differ from the original color. Please prevail in kind.Thank you for your understanding, have a nice day!