Build to Last: High-quality plastic and make the product have strong electrical conductivity, solid, and , so it can keep practical without frequent replacement. Good Performance: This switch can be used to detect whether the power supply is normal, achieve the conversion between normal power supply and standby power supply in a short time(less than equal 2s), and your normal use in the event of a power failure. Safety Guard: The protective functions such as overvoltage, overcurrent, overheating, and short circuits can effectively protect safety during use, so you can use it with confidence. Convenient and Simple: Two operating modes (automatic+manual), clear prompts, four indicator lights, that you can easily use it. Flexible Installation: This product can be installed horizontally or vertically, fully meeting your needs. Effortless Cleaning: The smooth , the small size of 5.91x5.31inc, and the 2.2lbs weight easy to clean the residue with a towel. Ideal Gift: With good performance, this product is an ideal gift for family, friends, and lovers so that they can also enjoy a more convenient life. Solid Back Plate: The enlarged back plate with 4 mounting holes increases the contact area with the wall, making it more secure to hang . Round Corners: Compared with traditional square corners, an arc design without a burr can better care for your skin. Application: It is suitable for AC 50HZ/60HZ,rated voltage 110V, rated current below 63A (2-wire)- live wire,a neutral wire,dual power grid,etc.The normal power source is municipal power, while the standby power source can be solar power generation,street lamp power, battery power,or any one of the AC 110V power sources.It can be widely used in homes, hotels, schools, restaurants, , hospitals, shopping malls,and other places, and is suitable for installation below 6561.68ft in altitude. Description: Power failure not only affects life but also destroys good mood. Our dual-power automatic transfer switch can help you solve this problem. Made of plastic and , this sturdy product has strong electrical conductivity, ensuring that you can use it for a long time. The fast conversion between normal and standby power supplies allows you to live a more convenient and comfortable life without worrying about power failure. Rated Current: 63A Pole: 2P Style: Modern Shapes: Rectangular Number of Items: 1 Mount Type: Horizontal or Vertical Ambient Temperature: 5-40°C/41-104℉ Installation Site: Within 2000m/6561.68ft in Altitude Type of Installation: Screw ATS Level: CB level Use Level: AC-33iB Conversion Time: less than equal 2S Conversion Mode: Self Cast Display Function: Indicator Light Display Hole: M6 Voltage: 110V Frequency: 50/60Hz Operation Mode: Automatic and Manual Part Assembly: G Final Assembly: 06 Calibration: S Net Weight: 1kg/2.2lbs Product Size: 15x13.5cm/5.91x5.31inch Installation Dimension: 12.8x11.8cm/5.04x4.65inch Color:As Shown Material:Metal+Plastic Package Contents: 1 * Dual-power Automatic Transfer Switch 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 picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.