Features: 

·  Fully enclosed lens design: Dust-proof and waterproof with an imported laser tube that is safe for the eyes; features laser enhancement for longer projection distance, diagonal line marking capability, lithium battery for extended operation, double-layer thickened anti-drop shell, and upgraded 2nd-generation 3D rubber coating.

·  Durable and versatile: Suitable for both indoor and outdoor applications, offering a comfortable grip and highly responsive operation.

·  Precision functions: Automatic leveling with sound and light alarms, 180° horizontal line rotation, 360° dual fine-tuning, and a high-definition scale for precise, error-free measurements.