Calculagraph Countdown Timer Alarmer For RC Quadcopter DJI Phantom Controller

• Clever design with loud alarm "beep" sound lasting for about 30 seconds when timing out

• With an easy-to-read LCD

• Double-sided adhesive on the back, easy to install

• Compact, lightweight & easy to carry

• You can take it anywhere for emergency use

• 3 buttons on the timer for your convenient operation:

  (1) M button: sets desired minutes

  (2) S button: sets desired seconds

  (3) Start / stop button: start / stop timer

• When the second is Zero, alarm is activated, press any button for stopping alarm

• Press M + S button: returns to zero

• Powered by 1 x AG13 LR44 cell button battery (NOT included)

• Usage: For DJI Original Controller

Specifications:

• Color: White

• Diameter: Approx.6.3cm

• Weight: 27g

• Package weight: 34g