SPECIFICATIONS ITEM NO?PR-LCD-SOC-W SIZE?86X86X32MM PACKING?141X103X47MM BOTTOM MATERIALS : Fire retardant PC RATED VOLTAGE : AC110-250V,50-60HZ RATED LOAD : 10A WIRELESS STANDARDS : 802.11b/g/n FREQUENCY RANGE : 2.412GHZ-2.484GHZ OPERATING TEMPERATURE : -20-60? Note:   1. Professional Electrician installation is required,  Warranty not covered physical damage /ELectrical short circuit/Overload or liquid damage.  2. Choose from Official Brand Store of Protium, Click on the "Visit Protium store" below product tile on amazon you can see all catagory of Smart home products.  3. Register your product on the Protium site within 1 month of purchase, Keep warranty card safe to avail warranty of the product. (refer warranty card for more information)  3. Contact by Whatsup massage on 9718717702 (MON-FRI, 9AM to 4PM) for any Warranty related assistance.