1、This type of level adopts strong laser, highlighting green light, powerful, dustproof and waterproof, can automatically level. 2、You can play diagonal lines, some bricks on the wall are not necessarily regular, convenient for customers to measure. 3、Light can be controlled independently, universal inside and outside, light can be adjusted. 4、Is a relatively stable laser, easy to use and measurement，wavelength: 520nm, indoor working range: 5m. 5、This is a new laser level instrument, compact and portable, easy to operate, more suitable for home use，indoor and outdoor general use. Features: 1. This type of level adopts strong laser, highlighting green light, powerful, dustproof and waterproof, can automatically level. 2. You can play diagonal lines, some bricks on the wall are not necessarily regular, convenient for customers to measure. 3. Light can be controlled independently, universal inside and outside, light can be adjusted. 4. Is a relatively stable laser, easy to use and measurement，wavelength: 520nm, indoor working range: 5m. 5. This is a new laser level instrument, compact and portable, easy to operate, more suitable for home use，indoor and outdoor general use. Specifications: Material: ABS Color: Green Indoor Working Distance: 5m Working Temperature: - 10 °- 50 ° Laser Wavelength: 520nm Line Width: 1.5mm Scope of Application: Indoor and Outdoor Power Supply: 2 * AA Batteries Package Size: 14.5 * 12 * 10.5cm / 5.7 * 4.7 * 4.1in Package Weight: 400g / 14oz Package list: 1 * Level Laser 1 * L Support 2 * AA Batteries 1 * Bag 1 * Instrument Clamp 1 * Charger 1 * Conversion Screw 1 * Level Laser 1 * L Support 2 * AA Batteries 1 * Bag 1 * Instrument Clamp 1 * Charger 1 * Conversion Screw