Mäter varvtal och KV på borstlösa motorer, belastade eller obelastade. Samtidigt visas spänningen (V) i batteriet Dim: 69x33.4x10.7mm. Vikt: 18g Specification: Working Temperature Range: -20C - 50C Working Voltage Range: 7.4-25V Dimension: 69x33.4x10.7mm Weight: 18g Features: 1. Measure the rpm and kv for BL motors with loading or no-load, and display the voltage for battery at the same time. 2. With the special LCD screen which can indicate data clearly. 3. With the reverse polarity protection for cell input. 4. Compact, extremely portable and multifunctional. Kv displayed while the BL motor works.