Mayatech MT5 5KG Motor Tension Tester Propeller Power Measurement For RC Model Racing Drone Features LCD display, visible thrust measurement data Measuring range 0-5kg wide, accurate to 1g Supports conversion between grams & ounces Compatible with a variety of batteries, tester power supply is 5 -26v, support xt-60 connector Compatible with most 16mm/19mm/25mm mounting distance motors. 5mm hollow hole inside the motor base for rear axle motor Specification Model: MT5 5KG Normal Version Measurement Range: 0-5kg Power Input: 5-26v Size: 212.5*109*83.5mm Motor Base Size: 16/19/25mm Weight: 612g Package Included 1 x 5kg Current Tester 2 x 80*60mm 3MEVA Taper 2 x M4*16 Screw