Red line laser level 5 Lines 8 Points Wave length：635Nm laser diode Damping Level： Automatic Damping Automatic leveling range: ± 3° Down Point：5m/±1mm Precision/Accuracy：7m/±1mm Working range: 15m Dustproof and waterproof rating: IP54 Operating temperature: - 10℃~+50℃ Power supply: Rechargeable lithium battery Rechargeable 3.7V lithium battery Safety class: class II Weight: ≈ 2kg <br>Packing: Aluminum<br>