98 Electronic Trigger Kit for 98 Custom ACT ONLY The E-Trigger Electronic Upgrade Kit includes five firing modes (semi-auto, auto-response, full-auto, 3-shot burst, turbo) that can be changed with a press of a button. Increase your firepower with this easy to install kit. Fast firing, up to 15 balls per second. 9-volt battery not included. Features:5 Firing ModesFits markers with serial numbers above 893,000Fits markers with Anti Chop Technology 9 Volt battery requiredCompatible with 98 Custom ACT, 98 Custom Pro ACT and 98 Custom Platinum Series ACT