Laser Receiver for Laser Level 50m/164ft Working Range with Double Horizontal Bubbles Green Laser and Red Beam Detector Outdoor Level Accessories for Pulsing Line Lasers<br> Specifications:<br> Model: LRC-30<br> Material: ABS<br> Display Screen: LCD<br> Leveling Accuracy (high precision): ≤2mm<br> Leveling Accuracy (low accuracy): ≤3mm<br> Laser Receiving Window Width: 13mm<br> Working Accuracy: ≤50m (Typically) dependent on the light source<br> Horizontal Bubble Accuracy: 30"/2mm<br> Working Hours: 20 hours<br> Automatic Shutdown (no signal detection): 10min<br> Battery Type: 1000mAh lithium battery<br> Operating Temperature: -10℃~+50℃<br> Storage Temperature: -20℃~+70℃<br> Item Size: 139.5 * 63 * 25.6mm / 5.49 * 2.48 * 1.01in<br> Item Weight: 155.2g / 5.47oz<br> Package Weight: 317g / 11.18oz<br> Package Size: 16.5 * 7 * 7cm / 6.5 * 2.76 * 2.76in