The Bosch GCL 2-50 G Professional Combi Laser makes alignment and transfer simple. Highly visible green laser lines and green plumb points give enhanced visibility in brighter environments. The ON/OFF switch and one-button keypad make for ease of use. For starting right away, the GCL's laser receiver mode is always activated. Its durable design inculdes a rubberised housing for better protection of the recessed glasses and dust and splash water protection IP 64. The RM 10 Professional enables the precise positioning of laser lines around plumb points. Ideal for many applications such as building framework for drywall, mounting sockets and doors, and point transfer for light mounting. Supplied with: 4 x AA 1.5V LR6 Batteries. 1 x RM 10 Professional Rotating Mount. 1 x BT 150 Professional Building Tripod. 1 x Laser Target Plate. 1 x Pouch. Specifications: Accuracy: +- 0.3mm/m. Plumb Point Accuracy: +-0.7 mm/m. Self-levelling Range: +-4. Working Range: 15m. Working Range with Receiver: 50