1、Zigbee version, work with switch HomeKit and Home APP 2、Support smart linkage 3、Over temperature conservation and overload conservation 4、Smart wall switch for precisely and easily controling 5、Support Siri Six Types of Switches For Option Aqara Smart Wall Switch D1: Fire Line Switch (No Neutral) Single Button Double Buttons Triple Buttons Aqara Smart Wall Switch D1: Zero Line Switch (With Neutral) Single Button Double Buttons Triple Buttons Please note that before you order: 1. This Aqara zigbee switch needs to be used with the gateway. 2. Aqara wall switch need connect the wire, can control any bulb throught the wire, while the wireless key cannot wired, only can control smart bulb or light through ZigBee. 3. For smart home centers, gateway is a necessary device, supporting gateway including Aqara gateway, Smart Multi-Mode Gateway. Home APP: Download the APP on the Play or APP Store The APP supports muti-language setting If APP connection fails, please switch the region to China on the APP setting, then reconnect. With Neutral & No Neutral: 1.With Neutral means "This switch need to connect with the neutral wire" 2.No Neutral means " The switch do not need to connect the neutral wire, it can work no matter if there have neutral wire in your home. 3.1key means " The switch can only control 1 light" 4.2key means " The switch can control 2 lights Features: Zigbee version, work with switch HomeKit and Home APP Support smart linkage Over temperature conservation and overload conservation Smart wall switch for precisely and easily controling Support Siri Specifications: Zero Line Switch (With Neutral), Single Button QKBG23LM Zero Line Switch (With Neutral), Double Button QKBG24LM Zero Line Switch (With Neutral), Triple Button QKBG26LM Product Size: 86×86×42.85mm Wireless Type: Zigbee Rated Voltage: Max 10A 220V~，50Hz Power: Max 2200W Working temperature: 0 - 40 Deg.C Working humidity: 5 - 95pct RH Package List: 1 * Switch 1 * Switch