Features: This product only support above input, down output. '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. 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. 't reverse, otherwise the handle can't up. Some customers have a distribution box , the input line 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. EMC 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 Breaker Rated frequency: 50Hz Pollution class: 2 class; Antenna:Built-in antenna,Do not place the product in the re- Protection level: IP20 Rated impulse withstand voltage: 6000V Control mode: working mode, matching mode Working temperature: -25 to 65 Item size: 73 x 68 x 36mm / 2.87 x 2.68 x 1.42in Item weight: 200g / 7.05ounce color: White material: 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. 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 same Package Contents: 1 x 4P Smart Circuit Breaker(16A) Only the above package content, other products 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.