Over Under Voltage Protector Socket with Digital Display, Reset Function, Power Surge Protection, US Plug

This white, fireproof ABS surge protector plugs directly into standard wall outlets to monitor incoming electricity and guard connected devices against abnormal voltage levels. It features a visible LED readout and manual controls for setting customized high and low voltage limits alongside a programmable delay duration. 1. Built from fireproof ABS plastic, the unit runs on AC 110V and features a US plug type suitable for electrical systems in the United States, Canada, India, Mexico, Thailand, the Philippines, and Taiwan. 2. An integrated digital display shows current operating status, while dedicated SET, plus, and minus buttons allow precise adjustment of voltage cutoff thresholds and response delay times. 3. The compact design inserts straight into wall sockets and is intended for everyday use with household equipment including refrigerators, televisions, air conditioners, and washing machines. 4. The shipment contains exactly four surge protector units and excludes any additional cables or accessories beyond those explicitly listed.