Based on this product's specifications, here are some alternatives and similar models
Line/Point level Bosch GCL 2-50 C Maximum range 20 m Accuracy 0.3 mm/m
Summary description:
The Bosch GCL 2-50 C is a versatile line/point level with a maximum range of 20 m and an accuracy of ±0.3 mm/m. It features a self-levelling range of ±4° and operates for up to 70 hours on a 12 V Lithium-Ion battery. Compact design with a weight of 600 g makes it easy to handle.