The TASER X2 handheld electronic control device (ECD) features a second shot for instant-miss recovery, dual lasers for improved accuracy, an enhanced power magazine enabling more than 500 firings, and a warning arc to help keep conflicts from escalating. Additional features of the X2 include semi-automatic back-up shot capability for multiple targets, improved weather resistance, self-diagnosis features, and Trilogy Logs to record if the probes made human contact.