Specifications:Input voltage: 6.5V-29.4VSize: 83mm*50mm*15mmNet Weight: 38gPackage Weight: 56g Features:100% brand new and high quality5 in 1 Smart Battery Meter With Balance Discharge ESC Servo PPM Tester 1: shows the battery capacity,2: discharge the battery,3: the battery balancing,4: test the battery internal resistance,5: test steering