Smoke detector EZVIZ CS-T4C — wireless ZigBee, 3V lithium battery, 87×35×87 mm, 85 dB, surface-mounted, white

The EZVIZ CS-T4C is a wireless smoke detector powered by a single 3V lithium battery and housed in a compact enclosure measuring 87 × 35 × 87 mm. Designed for integration with compatible EZVIZ devices, this detector provides continuous optical smoke sensing and sends alerts when elevated particle concentration is detected. Its small form factor and wireless connectivity make it suitable for mounting on ceilings or walls in homes, offices and auxiliary spaces where supplementary fire detection is required.

Advantages

The detector’s wireless technology simplifies installation without the need for wiring while the battery power enables placement in locations without access to mains power. Compact dimensions and a neutral design allow discreet installation in different interior settings. Compatibility with selected EZVIZ devices ensures the detector can deliver notifications and integrate into a broader monitoring setup. The device offers stable smoke sensing performance appropriate for residential and small commercial environments.

Suitable for

• Homes and apartments — living rooms, bedrooms, kitchens (supplementary to cooking safety)
• Office spaces and meeting rooms
• Corridors, stairwells and service areas
• Small retail or service premises requiring additional smoke coverage

Key specifications

• Power source: 3V lithium battery
• Connectivity: wireless
• Dimensions: 87 × 35 × 87 mm
• Detection principle: optical smoke detection (photoelectric)
• Mounting: ceiling or wall installation

How to use

Install the detector on a ceiling or high on a wall following the manufacturer’s mounting instructions and ensure the battery is inserted and oriented correctly. Pair the detector with a compatible EZVIZ base device according to the pairing procedure for your EZVIZ CS-A3 or CS-B1 unit to enable alerts and monitoring. Test the unit after installation using the built-in test function or the partner device’s interface to confirm communication and alarm response. Replace the battery according to the low-battery indication or the recommended maintenance interval to maintain continuous protection.

Recommendations

Place the detector away from cooking appliances or sources of steam to reduce false alarms; install one detector in each bedroom and on every level of the premises for comprehensive coverage. Regularly test the detector and replace the battery when indicated. Ensure the detector is paired and visible in the EZVIZ device list to receive timely alerts.