Digital viewfinder with zoom function: Real-time camera display allows precise measurements to ensure the laser spot fits the target, especially at long distances. Connectivity + Measurement App: Easy on-site documentation of floor plans, measurements, photos, and notes through cloud project access anywhere on all devices. High Flexibility: The GLM 150-27 C is equipped with a built-in lithium-ion battery and memory for saving camera images, and a micro-USB connection for image transfer. Uses: Structuring and fixing in construction installations, ideal for long distances, complex environments, and bright outdoor environments. Included Parts: GLM 150-27 C laser measure, built-in 3.6 V lithium-ion battery, micro-USB cable, hand strap, and bag.