Acetech - AC5000 Chrono XDM 4.0 It can work with most

It can work with most built-in MOSFETs

+ Bottom of the trigger guard designed with two finger groves making it possible to achieve a higher firmer grip with the support hand

Operated by 3 x AAA batteries

and be aware that as the day gets hotter

The Aimpoint M2 type dot sight features both red and green illumination with adjustable brightness depending on the current light levels

Acetech - AC5000 Chrono XDM 4.0 It can work with mostAC5000 AIRSOFT CHRONOGRAPH AC5000 is an airsoft chronograph with high quality and accuracy User friendly interface with 128*64 LCD. Support Micro USB(5V 0. 5A) power input(no battery charge function) or Use AA battery*2 Ammo parameter setting supports 5 memory slots AMMO 1~5 parameter can be selected on SCR2. 25 memory slots for velocity and ROF (Rate Of Fire) Idling and low battery auto power off function. Tripod ready mounting hole (standard camera