Comprehensive Control: Seamlessly integrate this single-channel relay switch into your smart home setup. It is designed for easy operation via a mobile app or voice commands with Alexa, enhancing your home automation experience. Versatile Voltage Compatibility: The switch supports a wide range of input voltages from 110-240Vac, 24-240Vdc to 12V, making it adaptable for various household and industrial applications. Energy Efficient: With its low power consumption of just 1A, this relay switch is an economical choice for managing your electrical devices without a significant energy footprint. Reliable and Safe: Engineered with in mind, the HLK-RW01 model ensures reliable performance and durability for controlling lights, fans, and other appliances. Easy Installation: This device comes with a user-friendly setup process that does not require professional assistance, allowing for a quick and hassle-free installation. Communication method:Bluetooth-compatible Model Number:HLK-RW01 Input:AD 110V-240V; DC 24V-240V; DC 12V/1A Load Power:Max: 3500W Wireless Standard:Wi-Fi 2.4GHz 802.11b/g Frequency range:2.4-2.4835G Due to different batches, there may be differences in product appearance and printed text, which will not affect use. Colour:Blue Material:ABS Package Contents: 1 * Smart Home Relay 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.