CAME TH/ONE Thread Wall Chronothermostat (845AA-0210)

CAME TH/ONE Thread Wall Chronothermostat · 845AA-0210 · part TH/ONE BATTERY

The CAME TH/ONE Thread Wall Chronothermostat, sold as part TH/ONE Battery and code 845AA-0210, is a battery-powered Matter thermostat. It connects over Thread, so it needs a Thread border router and a Matter controller for smart features. The CSA certifies it as a Matter 1.4.2 thermostat (cert CSA2610LMAT50725-24, certified 2026-02-20). MatterCheck's type-level thermostat matrix lists pairing and direct control as Yes for Apple Home, Google Home, Amazon Alexa, SmartThings, Home Assistant, Homey, and Hubitat; starts-automations is Unknown for Apple Home and Amazon Alexa in that matrix.

CAME TH/ONE Battery: Matter 1.4.2 Thread thermostat

The CSA product page for this exact model lists Thread transport, Specification Version 1.4.2, primary device type thermostat, hardware version 1.0, and firmware v1.2. The CSA certificate is CSA2610LMAT50725-24, certified 2026-02-20; TIS/TRP Tested is listed as Yes. The CSA DCL model record names it "TH/ONE THREAD WALL CHRONOTERMOSTAT BATT." with part number "TH/ONE BATTERY." This is the Thread model, not the 230 V Wi-Fi TH/ONE. For a transport comparison, see MatterCheck's Matter Thread vs Wi-Fi guide.

CAME TH/ONE Battery needs a Thread border router

CAME's 845AA-0210 product page states: "Thread device must be paired with a Thread Border Router to enable Smart features." CAME also describes the QBE Thermo 842EC-0040 as "a Thread Border Router, essential for commissioning TH/ONE Battery thermostats if you do not already have a third-party Border Router." MatterCheck's hub and Thread border router guide explains that a Thread border router joins the Thread network; a Matter controller still handles pairing and control in the selected platform.

Per-platform Matter thermostat matrix for TH/ONE Battery

These are MatterCheck's type-level thermostat matrix answers, not product-specific test results. MatterCheck's SKU record has no product-specific platform test reviewed yet for this CAME model.

At the type level, all seven platforms pair and control a Matter thermostat. Google Home, SmartThings, Home Assistant, Homey, and Hubitat are Yes for starting and receiving automations. Apple Home and Amazon Alexa remain Unknown for starting automations in MatterCheck's matrix; an Unknown cell means no official source or dated hands-on report confirms it. MatterCheck's Matter thermostat support guide covers the type-level support picture.

CAME TH/ONE Battery setup in the THermo Wi-Fi App

CAME says the TH/ONE is paired through the THermo Wi-Fi App with a guided setup in "just a few simple steps." The app's pairing procedure activates the chronothermostat. CAME's 2024-11-04 launch release for the TH/ONE, which describes the Wi-Fi model and predates this battery model's 2026 certification, says the THermo Wi-Fi App supports a "holiday" mode of up to 100 days away with a chosen maintain temperature, frequent-use scenarios, geolocation activation, and management of multi-zone and multi-site systems from a single account.

CAME TH/ONE Battery specs and app controls

• Power supply: 3×1.5 V AA batteries; CAME also lists 3 x LR6 AA on the range page.
• Surface-mount wall installation; dimensions 126 x 87 x 23 mm; 3 standard module covering wall installation.
• Matte white design with an LED matrix display, one visible mechanical button, soft touch capacitive keys, and smart backlight around the central button.
• Humidity sensor and brightness sensor; CAME's press release says a light sensor adjusts display intensity in the dark and the crown light uses RGB colors to show chronothermostat or heating on/off status.
• Operating temperature 0-40 °C, IP30 protection, PC container material, radio frequency 2402-2480 MHz.
• Relative humidity during operation 93% no condensation; temperature reading precision ±0,5 °C.
• Access via THermo Wi-Fi App, smart speaker, or on device; CAME says Matter compatibility enables connection to voice control devices and smart-home systems developed with the Matter protocol. CAME's 2024-11-04 launch release for the Wi-Fi TH/ONE also claims compatibility with all voice assistants on the market.
• Features listed by CAME: configuring devices, operating mode selection, geolocation, and scenario activation.

TH/ONE Battery vs CAME 230 V Wi-Fi TH/ONE

CAME's range page separates the TH/ONE models: 845AA-0200 is the 230 V model with Wireless standard 802.11b, 802.11g, 802.11n; 845AA-0210 is this battery model with 2402-2480 MHz radio; 845AA-0220 is the battery plus QBE Thermo kit. The CSA page for the 230 V Wi-Fi TH/ONE lists a different certificate, Matter 1.2, Wi-Fi transport, firmware v1.1, and hardware v1.1. If you are comparing, make sure not to apply the 230 V Wi-Fi power or wireless details to the 845AA-0210 Thread battery model. MatterCheck's compare tool can show this SKU next to other thermostats such as the Eve Thermo or Bosch Radiator Thermostat II M.

CAME TH/ONE Battery verdict: buy if, skip if

• Buy if you want a battery-powered, surface-mount Matter 1.4.2 thermostat that connects over Thread and already have, or will add, a Thread border router such as CAME's QBE Thermo 842EC-0040.
• Buy if you want CAME's THermo Wi-Fi App control together with the humidity and brightness sensors that CAME's 845AA-0210 page lists.
• Skip if you do not have a Thread border router and do not want an extra bridge or gateway for commissioning.
• Skip if your automation design depends on confirmed Apple Home or Amazon Alexa thermostat starts-automations behavior; MatterCheck's type matrix still lists those as Unknown.