... Range, LCD Display,Short Circuit high Voltage Protection. avr automatic voltage regulatorAutomatic Voltage regulator, Voltage Stabilizer, Automatic ... regulator ,power supply, relay, manostat. Transformer, Stabilizer,avr ,svr,fully automatic voltage regulator,alternator regulator,auto voltage regulator ... 40Storage Temperature: -10~+50Compliant Standards: CE lcd display avr automatic voltage regulator