DC speed control mechanism. Due to digital control, it generates almost no heat. With constant lighting function. Maximum output 10V 800mA. With a circuit breaker in case of misuse by a digital circuit. Reset and return. With a point changeover switch for 2 circuits. Eight AA batteries can be built in. By adopting AC adapter type, battery type and switchable type, portable usage without AC power supply is possible. * Batteries and AC adapter are sold separately. With accessory terminals for output to supply power to structures and others. It can be used up to 300mA. With a terminal for connecting to an optional expansion point changeover switch, etc. With a fuse to ensure safety.