Features:
Compact size for easy carrying and operation.
It can be used to check the quality of lightbulbs or fingerprint locks.
Plug-in emitting heads, triode can switch by yourself.
The coil can be adjusted by yourself. If the coil is reduced, the power will be reduced, otherwise, the power will be increased.
High frequency power, fine effect, more stable.
Window opening design for quick heats dissipation.
Stable and long-lasting power, the chip is not easily damaged.
The voltage can be observed for timely recharging.