Features: This product only support above input, down output. Please 't reverse, otherwise the handle can't up. This situation needs to turn circuit breaker . You can control all electrical device through one phone with one APP. gear, with fine lubrication performance. Remote control at anytime from anywhere. Preset power/current/voltage values by APP.Once the real-time power/current/voltage reaches the values. The connected electrical appliances will be automatically turned off. This product only support above input, down output. Please 't reverse, otherwise the handle can't up. Some customers have a distribution box at home, the input is , and the output is above.This situation needs to turn circuit breaker . Built-in anti-interference chip, enhance stability of send out/receive wifi signal and avoids the interfere of clutter.6000V impulse withstand voltage, enhance the service life even under the overload situation. electromagnetic interference, long mechanical life, with quickly function, prevents over temperature and anti-aging. You can control all electrical device through one phone with one APP.Specifications:Name: WiFi Intelligent Circuit BreakerRated frequency: 50HzPollution : 2 ;Antenna:Built-in antenna,Do not place the product in the re-Protection level: IP20Rated impulse withstand voltage: 6000VControl mode: working mode, matching modeWorking temperature: -25 to 65Item size: 73 x 68 x 36mm / 2.87 x 2.68 x 1.42inItem weight: 200g / 7.05ouncecolor: Whitematerial: plastic gear, with fine lubrication performance. Remote control at anytime from anywhere. Schedule/Timer/loop timer.Overload and short circuit protection, over voltage and under voltage protection, over current and under current protection. Preset power/current/voltage values by APP. Once the real-time power/current/voltage reaches the values. The connected electrical appliances will be automatically turned off.You can control all electrical device through one phone APP. Overload and short circuit protection, over voltage and under voltage protection, over current and under current protection. You can have a try.Due to different product batches, the appearance may be different, the functions are the samePackage Contents:1 x 4P Smart Circuit Breaker(40A)Only the above package content, other are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.