The bosch gcl 2-50c self-levelling combi line and point laser level is apart of the simply connected range of tools from bosch which features the ability to connect the tool via bluetooth or a compatible mobile phone and via the bosch app enable you to control the level hands-free. Being a dual power device the bosch gcl 2-50c can run from a 10.8V 12v lithium ion battery pack or using the included adapter 4 aa batteries. Specifications laser diode: 635 650 nm operating temperature : -10 50 c storage temperature : -20 70 c laser class: 2 working range: 20 m working range with receiver: 50 m accuracy : 0.3 Mm m self-levelling range: 4 dust and splash protection: ip 54 tripod thread: 1 4 colour of laser line: red projection : 2 lines 2 points plumb point accuracy : 0.7 Mm m compatible laser receivers : lr 6 7 features and benefits horizontal and vertical laser lines and two-centred plumb points with optimal visibility versatile to use with rotating multifunctional mount for a variety of mounting possibilities high visibility of the laser lines with a working range of 20 m without receiver simply connected laser class 2 dual power li-ion or 4 aa batteries 12v or 10.8V compatible self leveling contents 4 x 1.5 V lr6 battery aa aa1 alkaline battery adapter 1 608 m00 c1b gcl 2-50 c cg inlay 1 1 608 m00 c1t laser target plate protective bag rotating mount rm2 0 601 092 700