Bosch Cross-Line Laser, 65 ft Measuring, 1/4 in Accuracy, Laser Diode: 500 to 540 nm, Leveling Type: Self-Leveling, 2 Beam, Number of Scanning Modes: 3, Green Laser, Lithium-Ion Battery, 1 Ah Battery, 3.7 V Battery, IP55 IP, 14 to 104 deg F Operating, Magnetic Mounting, Dimensions: 4.1 in L x 2.5 in W x 3.9 in H, Suitable for: BT 150 Tripod, BP350 Telescoping Pole, BM 1, BM3, LB10, MM 2 Mounts, Positioning Devices, Includes: (2) AA Batteries, (1) Integrated Magnetic Mount and (1) Soft PouchPower flexibility works with AA batteries (included) or Bosch’s 3.7 V Lithium-Ion 1 Ah battery, for less downtime on the jobBuilt-in VisiMax technology monitors power consumption to maximize line visibility and extend battery lifeBright green beam laser projects up to 4X brighter than standard red beamsFull rubber overmold housing helps protect every major impact point, with a design similar to a roll cageIntegrated multi-purpose laser-mount positions and mounts with magnets or threaded mountsJobsite tough construction IP55 rating offers dust and water resistanceSmart pendulum system – self-levels, indicates out of level condition by blinking and locks when switched off for secure transportErgonomic, compact and lightweight – making the laser easy to use and easy to storeSecure laser transport – after switching off, pendulum locks for secure transport