Telescope Laser Collimator 1.25inch, Bysameyee Calibrator With 2 Adapter For Newtonian Reflector Telescope Collimation

Easy to Collimate Your Telescope: Make it easier to collimate your 1.25'' and 2'' reflector telescope, no longer boring and save your time. 1.25inch Fit: Can fit into 1.25" focusers or diagonals, comes with removable 2" adapter. 7 brightness levels: Red laser collimation beam with 7 brightness levels Metal Body: Make it more durable and long-term use. Battery: Requires 1 CR2032 battery.