Two DOF Robot PTZ FPV Dedicated Nylon PTZ Kit With Two 9G Precision 160 Degree Servo Feature: - Two degrees of freedom Robot PTZ , high-torque servos, cost-effective small head - You can do two degrees of freedom movement in the horizontal and vertical directions - Easy to install the camera - You can achieve video surveillance, image recognition location tracking - Install infrared sensors or ultrason distance sensor can be combined into integrated detection deve, so that the robot can sense surrounding obstacles - Enabling the robot obstacle avoidance function - Of course, you can also install various sensors to complete the works by a variety of innovative interactive servo controller. Description: Dimension: 22mm x 11.5mm x 22.5mm Net Weight: 9 grams Operating speed: 0.12second/ 60degree ( 4.8V no load) Stall Torque (4.8V): 17.5oz /in (1kg/cm) Temperature range: -30 to +60 Dead band width: 7usec Operating voltage: 3.0V~7.2V Fit for ALL kind of R/C Toys Coreless motor 3 pole wure All nylon gear Dual ball bearing Connector wire length 150mm Package Included: 1x Nylon PTZ Kit 2x SG90 Servo