Bosch GLL2-20 65-Feet Self Leveling Cross Line Laser (Certified Refurbished). Features a Class 2 Laser Product. Less than 1mW Power Output. Features a Wavelength of 635-650. 360-degree horizontal line for leveling. 120-degree vertical line for leveling. Alignment and layout applications. Smart pendulum system self-levels. Indicates out-of-level condition and locks when switched off. Features Three-line selection modes. Features a 1/4 inch- 20 thread for use with BM3 positioning device. The Bosch GLL 2-20 Self-Leveling 360 Degree Line and Cross Laser works right out of the box to be the ideal solution for all your leveling applications. Its BM3 mount positioning device easily attaches to the laser for precise positioning. This is a certified refurbished product. The Bosch GLL 55 professional self-leveling cross-line laser is a Class 2 Laser Product with a power output of less than 1mW and operates at a wavelength of 635-650 nm. It features a 360-degree horizontal line for precise leveling and a 120-degree vertical line for accurate alignment. With its smart pendulum system, the laser self-levels and indicates any out-of-level condition. It also locks automatically when switched off for secure transport. The laser offers three-line selection modes for versatile applications. Additionally, it includes a 1/4 inch-20 thread for compatibility with the BM3 positioning device, expanding its functionality and ease of use. What’s in the Box. Bosch GLL2-20 65-Feet Self Leveling Cross Line Laser with Pendulum System (Certified Refurbished). 1 x BM3 Positioning Device. 1 x Mounting Bracket. 1 x Laser Target. 4 x AA Batteries. 1 x Carry Case. Bosch GLL2-20 65-Feet Self Leveling Cross Line Laser with Pendulum System. : 41 degrees fahrenheit – 104 degrees fahrenheit. Accuracy margin (vertical): +/- 3/16 in. Effective range (receiver): 65 feet. Accuracy margin distance (horizontal): 30 feet. Laser diode: 635 – 650 nm. 41 degrees fahrenheit – 104 degrees fahrenheit. Laser class: class ii. Accuracy margin distance (vertical): 30 feet. Self-leveling range: 5 degrees. Effective range (visual): 65-feet. Accuracy margin (horizontal): +/- 3/16 in. F There are product categories which are not returnable due to hygienic or sanitary as required by manufacturers. In an event where there is an error regarding a price error or description, we will notify you ASAP. Items removed from their’blister-pack’ display packaging are non-refundable.