Battery Included: Yes - This device comes with batteries, ensuring that you can use it right out of without the need for immediate additional purchases. This feature is particularly convenient for users who require the tool for immediate tasks. High-concerned chemical: None - Safety is a priority with this laser level marker as it contains no high-concern chemicals, making it safe for use in educational settings, homes, and offices. Certification: CE - The Mini Laser Level Marker has received CE certification, affirming its compliance with European safety, health, and environmental protection standards. **Product Name:** Laser Leveler **Description/Features:** The Laser Leveler is an essential tool designed for and ease in projects requiring accurate alignment. It features a laser for clear indication and is versatile for use in teaching, meetings, and construction settings. The leveler offers three projection styles: single point, straight, making it suitable for both horizontal and vertical alignment. **Specifications:** **Power:** 5mW **Functionality:** Laser indication, level measurement **Single Point Style:** Ideal for teaching and meeting instructions **Straight Style:** Perfect for horizontal and vertical alignment ** Style:** Designed for comprehensive horizontal and vertical alignment tasks Color: White Material: ABS Package Contents: 1 Mini Laser Level Marking Light 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.