Key Features: · Compatible with Red and Green Pulsed Lasers: Detects pulsed laser signals effectively, allowing for accurate measurements at distances up to 50 meters, perfect for construction, surveying, and alignment tasks. · Dual Horizontal Bubble Vials: Equipped with horizontal on both the front and top, providing enhanced leveling and helping perfectly level setups. · Ideal for Outdoor and Remote Use: Overcomes visibility challenges when working outdoors or at a distance by reliably capturing laser signals that are difficult to see with the eye. · Long-Lasting Battery Life: Features a built-in 1000mAh lithium battery delivering approximately 20 hours of continuous operation, complemented by an automatic shutdown after 10 minutes of inactivity to conserve power. · Compact and Ergonomic Design: and comfortable to hold, the receiver includes a convenient clamp holder for secure attachment to poles, tripods, or various surfaces, enhancing portability and ease of use. Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.