Safety features: Extremely shock protection with over-heat and over-charge functions
Auto power dump: Automatically dumps high power when setting unit to lower power
Dual power output display feature: Power output is displayed in f-stops and Ws
Modular circuit board design: Plug in modular design with no soldering or internal wiring
Accurate and easy power control: Accurate exposure over 5 f-stops, 1/10th f-stop power increments; Full power to 1/32 by one long button push; 1/32 to full power by one long button push