This surge protector provides instant voltage readings and diagnostics for wiring issues. It features a 12000J surge protector to absorb high-voltage spikes during adverse weather. The device automatically shuts off and restores power to protect against unsafe voltage levels and over-temperature conditions. Price drops from $69.99 to $29.99 with code "QA45D8R5". Shipping is free over $35 or free for Prime members.