The T12 comes with a 4 x AA Battery
1: Antenna
2: Handle
3: SWC three-segment switch
4: SWH two-segment switch
5: SWA three-segment switch
6: AUX5 knob
7: RF indicator
8: Throttle / Aileron
9: Power switch
10: Digital trim key
11: Digital trim key
12: Menu direction key
13: Display Screen
14: Exit key
15: Confirm key
16: Digital trim key
17: Digital trim key
18: Direction / Tilt Joystick
19: Power Indicator
20: AUX4 Knob
21: SWD three-segment switch
22: SWG two-segment switch
23: SWB three-segment switch
tray (Batteries not included). Alkaline, Nicad or NiMH batteries are
suitable for use in this radio. If Using Alkaline batteries, it is recommended to remove the batteries if the radio will not be
used frequently or for any length of time to avoid any corrosion damage from leaking batteries.