In-Wall Dual relay(1 way) Switch Module. Features - World first two relay Z-wave 400 series module with power meter function in a very slim case. - Adopt Z-Wave protocol to secure the success of wireless two way communication. - Adopt newest Z-wave 400series chip, support multichannel operation and higher data rate (9.6/40/100kbps). - Higher RF output power (+2.5dBm output power as compared to -2.5dBm 300 series Z-wave module) to enhance the communication range. - Slim design, easy install. - Resistive load 1500W X 2. - Instant power Wattage and Accumulated power consumption KWh report. - Overload protection. - Z-Wave V6.02 - Very low electricity consumption, meet Europe year 2012 energy-related products requirement directive 2009/125/EC no. 1275/2008. - LVD:EN 60669-2-1:2004+A1:2009+A12:2010, - EN 60669-2-2 :2006 - EN 60669-1:1999+A1:2002+A2:2008+IS1:2009 - R&TTE: EN 301489, EN 300200,