Indoor rotary LED sensor EZVIZ T55 — white plastic, AA battery, Ø 5.5 cm, height 95 mm

EZVIZ T55 is a smart radiator thermostat designed to upgrade traditional radiators with remote and automated heating control. The compact device has a rotary knob, LED display and is powered by a single AA battery. T55 works together with the EZVIZ Home Gateway A3 and the EZVIZ app to provide scheduled and remote temperature management for individual rooms.

Advantages

The T55 enables remote temperature control, programmable schedules and integration with home automation platforms to reduce energy consumption and improve comfort. Its DIY installation attaches directly to compatible radiator valves without professional help, while built-in safety functions monitor and protect the heating system. The device supports control via the physical knob, the EZVIZ app, IF/THEN automations and voice assistants.

Suitable for

• Apartment or home rooms with standard thermostatic radiator valves
• Zoned temperature control for individual rooms
• Users who want app-based scheduling and remote control of radiators
• Home automation setups using EZVIZ Home Gateway A3

Key specifications

• Power: 1 × AA battery (1.5 V)
• Form factor: rotary control with LED display
• Material: white plastic housing
• Dimensions: diameter 5.5 cm, height 95 mm
• Weight: 132 g
• Connectivity: requires EZVIZ Home Gateway A3 for smart functions
• Control methods: device knob, mobile app, automations, voice assistants

How to use

Attach the T55 to a compatible thermostatic radiator valve and fasten it according to the included instructions. Install and pair the device with the EZVIZ Home Gateway A3, then add it in the EZVIZ app to configure temperature setpoints and schedules. Use the rotary knob for local adjustments, the app for remote control and scheduling, or set IF/THEN automations for automated behaviour.

Recommendations

Before installation, confirm that your radiator valve is compatible with the T55. For efficient energy use, set individual thermostats in different rooms and create heating schedules in the EZVIZ app. Replace the AA battery as recommended when battery level is low.