Smart functions for maximum productivity. User Benefits:- Bluetooth® connection to Smartphone for remote control and adjustment of the tool. Dual Power Source: Can be operated both with 12 V-LI-ion battery and with standard alkaline batteries. Precise positioning of the laser lines around the plumb points – motorized positioning with RM 3 Professional (optional), using an app or remote control or manual positioning with RM 2 Professional Supplied with:- 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) 4 x 1.5 V LR6 (AA) batteries