The GROOT SYSTEM is a powerful AC powered timer and lap counter. It weight just 6.4 pounds and reads 250 tags per second. The GROOT has superior performance as it uses the same RFID readers as other Orbiter products. Additionally, the GROOT uses 120 volt AC and gives you excellent tag read rates, which are the same as our other products. Additionally, the battery power is 24 volts with robust tag read rates. The GROOT also has Wi-Fi option with ethernet connectivity standard, and 20 feet range. Many customer enjoy the economy of the GROOT.