Jotto JOTTO STD OT Home automation system for HVAC control

Jotto std OT is a basic model (temperature reading) with communication via relay and Opentherm protocol.‎ Color: White base with anthracite colored rubber ring Display: E-ink technology 1.‎54" monochrome resolution 200x200 Sensor: Temperature sensor Reading range: 5° to 45° resolution 0.‎1° accuracy +/- 0.‎2° Wireless: Bluetooth 4.‎2 distance from Jotto-GT gateway 20mt (in open field up to 200mt) Setting mode: By encoder wheel and button on guided menu Languages entered: Italian, english, french, spanish (others can be inserted) Battery: 2 x AAA life 18 months in normal operation Temperature of operation: from 5° to 40° in normal operation Material: ABS Plastic Display functions: - Temperature read - Temperature set - External temperature (internet probe or external probe by OT) - External weather (geolocalized internet service) - Date and Time (in submenu) - Weekly chronothermostat setting - Battery level - Alarm display - Ecc.‎ Jotto GT: Gateway Color: White base Sensor: NTC temperature as safety (optional) Reading range: 5° to 45° accuracy +/- 1° Wireless: - Bluetooth 4.‎2 distance from Jotto thermostats 20mt (in open field up to 200mt) - Wi-Fi 2,4Ghz b / g / n / ac covered distance 30mt (50mt in open field) Communication with thermostat: Via bluetooth, number of connectable thermostats max 3 connections Communication with power card: - By clean contact from internal relay 30Vdc 1A or max 220Vac 0,5A - Opentherm protocoll   Cloud: Connection to the Amazon AWS Cloud Diet: From 100 to 230Vac via special power cable Temperature of operation: -10° to 50° in normal operation Led display: - Power ready - Opetherm ready communication - Bluetooth connection  - Wi-fi and Cloud connection Material: ABS Plastic