Zhiyun ZW-B02 Wireless Thumb Controller

Functions:
MODE Button: Switches Between Gimbal Control Modes.
Power/Shutter Button: Power On/Off the Controller by Pressing it for 1 to 2 sec. After the Gimbal is connected to the camera, under Camera Mode, Half-Press activates Focus, then Completely Press the button to take photos; Double Click the button Completely can switch between Record Function and Camera Function.
Power Button + Shifter Lever: Push the Shifter Lever in W direction simultaneously when powering up to enter Slave Mode. This allows firmware upgrade of the remote controller through mobile APP(Requires Bluetooth pairing with the smartphone using Zhiyun Assistant).
Power Button + MODE Button: Press the MODE Button simultaneously when powering up to opeate quick pairing with the nearest stabilizer.
Joystick: Control Camera's Movement. Shifter Lever: Allows Focusing Control of the Camera.

Specifications:
Charging Voltage: 5V
Charging Current: 100mA
Theoretical Work Time: ≥30hr
Built-in Polymer Lithium Battery Capacity: 150mAh
Emission and received current: 11.9mA
Operating Current: 4.2mA
Effective Control Distance: 10m/394Inch(Without Blockage)

Bluetooth Indicator 
No Connection: Continuous flashing 
Connected: Shines solid light 

Power Level Indicator 
90%-100%: Quick Flash for 4 times each second 
75%-90%: Quick Flash for 3 times each second 
55%-75%: Quick Flash for 2 times each second 
30%-55%: Quick Flash once each second 
0%-30%: Quick Flashing 

Charging Indicator 
Charging: RED Light 
Charging Complete: GREE Light