https://www.jammer-store.de/3-geschwindigkeiten-tragbare-EMP-jammer-fuer-fischspiele-und-spielautomaten.html
Free mix combination modes:
Red gear 1: 15 Hz x 500 MHz
Red gear 2: 22 Hz x 560 MHz
Red gear 3: 28 Hz x 600 MHz
Loading time:
Do not charge when you receive the product. Charge after 2-3 days of use. The charging time is 20 minutes. Do not charge for too long to avoid damaging the battery.
How to use:
Turn on the blue switch first, then use the red 1/2/3 mode. Please combine the frequencies according to the situation of the game machine.
Switching time:
Press the red square switch for no more than 20 seconds each time, and the second use should be more than half a minute apart.