3'' Countdown Timer with Wired Button and Remote Drone Racing

3'' Countdown Timer with Wired Button and Remote Drone Racing

s: 12/24 hours; Countdown/up in minutes and seconds or seconds: hundredths. Wired button: Press big button 1st time start, 2nd time stop, 3rd time restart from the stopped time. Press and hold 3 seconds reset back to preset time.. Wireless remote: Program your desire value and change the different modes Buzzer reminder: Beep when you press big button; Beep when reaches to 00:00; Mute volume by the remote; Perfect use for various racing event drone zone horse and wipeout;Battery of remote is 2xAAA