Official IROA Shot Timer – Trusted by ROs and competitors in IPSC Level IV & V matches. Proven in real-world conditions across USPSA, IPSC, IDPA, PRS, 3-Gun, CAS, and more. Precision Shot Detection – Advanced sound detection technology accurately tracks shots from pistols, rifles, shotguns, PCC, CO2 guns. Reliable indoors and out, thanks to built-in echo filtering. Rechargeable & Long-Lasting Battery – Get up to 72 hours of use per charge. USB-C rechargeable, eliminating the need for disposable batteries and reducing downtime at the range.