Specifications:Color: White / BlackWireless protocol: Bluetooth Low Energy (BLE) 4.2Power supply: CR2 3V (BATTERY INCLUDED)Control Distance: 10m open areaMaximum arm movement: 12mmStall torque: 2.0 kgf-cmWorking Temp.: -10~45℃Size: 34.5mm x 34.5mm x 34.5mmWeight: 38gPackage Includes:FingerbotCR2 3V3M Double Sided Mounting Tape