... 6-70V. Support overvoltage protection, under-voltage protection, short-circuit protection, transposition protection, fire on/off timing,delay power- ... maintaince5. Support 3G. GPS. G-SENSOR. Modual for option6. Over-load, over-current, reverse, ESD, power-off protection 7. Support ... can set many time periods.9. Independent delayed-time off circuit, fire-off delaying recording, delay time is settable.10 ...