Specifications Laser Class Class 2 IEC EN60825 1 2014 1mW output powerLaser Wavelength 505 520 nmAccuracy Horizontal Vertical ±1 9 inch at 33 ft Self Leveling Range ±3 5°Working Distance Up to 130 ft 100 Lux extendable to 200 ft with Huepar Receiver LR 5RG LR 6RGLaser Lines Two 360° horizontal lines and two 360° vertical linesPower Supply Options Rechargeable 7 4 V 2600 mAh Li ion battery 4 x AA LR6 batteries or direct power supplyOperating Time 5 hours with Li ion with all beams activated 0 5 hours with AA batteriesMounting Compatibility 1 4 inch 20 thread for tripod or mast mountResistance Rating IP54 dustproof and waterproof Screen Type Backlit LCDWarning Avoid direct exposure to laser beams Features 1 4 x 360° Comprehensive Lines for Enhanced FunctionalityTwo horizontal and two vertical 360° lines support applications such as ceiling installations wall marking furniture alignment and floor tiling The lifting base raises the floor laser for optimal projection over obstacles or uneven surfaces 2 Bluetooth Connectivity for Remote ControlPair the device to a smartphone via Bluetooth or use the included remote control for seamless adjustments to laser lines pulse mode activation and level selection for complex projects 3 Flexible Power Options for Continuous OperationOperates via rechargeable lithium ion battery AA batteries or direct power supply while charging through a versatile Type C port compatible with laptops power banks or