Make your lighting smart using this direct replacement Smart Wi-Fi dimmer module (Offset position) Features - Control your lighting from your smartphone, tablet, SmartKnight or Smartlife Apps at home or away - Voice Control - connects with Amazon Alexa, Google Assistant and SIRI Shortcuts. - Set up schedule using the timer function for lighting to switch on and off and dim - Make any required adjustments from the app interface, remove flicker, adjust dimming curve etc. - Supports 2-way or 3-way dimming in conjunction with retractive switches Specification: - 10-200W Incandescent - 5-100W Dimmable LED - 10-200W Halogen - No Neutral required - Switchable from Trailing edge (default) to Leading Edge dimmer technology - Not suitable for use with non-dimmable lamps and fittings - Wi-Fi connectivity IEEE 802.11b/g/n 2.4Ghz only - For optimum wireless connection install within 10m range of access point or router - Protection: Overload and Overheat - Minimum mounting box depth: 35mm NB: PLEASE CHECK WITH LAMP MANUFACTURER FOR COMPATIBILITY Please ensure that your fittings or lamps are a minimum 5W Results may vary with low quality fittings or lamps, and with a low power load. Please note - this switch can be used in 2 way systems. However - only one rotary dimmer can be connected in series or parallel. 2-way dimming can be achieved by using a push button (retractive) switch for the second switch (on/off, and holding for dimming).