Self-leveling mode; Manual mode.<br> Self-leveling mode:<br> Once the pendulum unlocked, self-leveling mode is enabled.<br> The laser beam will beep as well as the laser beam blink fast when the tool is out of self-leveling range ±4°.<br> Manual mode:<br> When the pendulum locked, the laser tool can be placed for use at any angle.<br> The laser beam will blink every 3-5 seconds to remind you it's not self-leveling now.<br> Pulse Mode:<br> Turn on pulse mode: After power on; switch the pendulum to unlocked position, short press the V button to turn on the pulse mode. The indicator will light up in blue.<br> Pulse mode extends the working range up to 200Ft. in brighter working conditions when using with Huepar Line Laser Receiver.<br> Keep the pulse mode on when using with a receiver.<br> It is compatible with Huepar LR-6RG;LR-5RG Line Laser Receiver only.<br> <br> Specifications:<br> Type: 16 Lines.<br> Laser Beam Color: Green.<br> Expanded Angle: 2H360°/2V360°.<br> Laser Class: Class 2.<br> Laser Wavelength: 520nm.<br> Leveling Accuracy: ±3mm/10m.<br> Leveling/Compensation Range: 4°±1°.<br> Self-leveling Time: ≤3s.<br> Working Distance (Line): 40m, ≥50m with level 132 Ft, ≥165 Ft with level.<br> Power Source: Li-lon battery (Built-in).<br> IP Rating: IP54, waterproof, dustproof and shockproof, reliable and tough.<br> Operation Temperature Range: 14℉- 122℉(-10℃-＋50℃).<br> Storage Temperature Range: -4℉- 158℉(-20℃-＋70℃).<br> Mount Size: 1/4'-20.<br> <br> Package Includes:<br> 1 x Laser Level.<br> 1 x Magnetic Base.<br> 1 x Wall Hanging Plate.<br> 1 x Remote Control.<br> 1 x Power Adapter.<br> 1 x Green Glasses.<br> 1 x Hard Carrying Case.<br> 1 x User Manual