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Carbon Monoxide Alarm HM-720ES series

HM-720ES Series is a carbon monoxide alarm with an electrochemical sensor for precise CO detection. Sound and light alerts with loud siren and red LED activate when dangerous levels are detected. A manual test button enables quick self-checks, while an error alarm notifies sensor faults. Low power consumption extends battery life, with 5-year and 10-year battery options. Compact design supports wall or ceiling mounting. Easy to install, HM-720ES Series provides dependable CO protection.

SPECIFICATION

Model	HM-720ES	HM-720ES-M	WS-720ES
Power Supply	DC 2 × 1.5V Alkaline AA LR6 Batteries (PAIRDEER / NECTIUM / NANFU)	DC 2 x 1.5V Alkaline AA LR6 (PAIRDEER/NECTIUM/NANFU)	DC 2 × 1.5V Alkaline AA LR6 Batteries (PAIRDEER / NECTIUM / NANFU)
Sensor Lifespan	Max. 10 years	Max. 10 years	Max. 10 years
Battery Life	5 years	5 years	5 years
Wireless Protocol	/	2.4 GHz - 2.48 GHz	WiFi 2.4 GHz
Operating Conditions	-10 °C ～ +40 °C, 0–95% RH (Non-condensing)	-10℃ ~ +40℃(14°F ~ 104°F), 0% ~ 95%RH (non-condensing)	-10 °C ～ +40 °C, 0–95% RH (Non-condensing)
Storage & Transportation Conditions	-20 °C ～ +50 °C, 0–70% RH (Non-condensing)	-20℃ ~ +50℃(-4°F ~ 122°F), 0% ~ 70%RH (non-condensing)	-20 °C ～ +50 °C, 0–70% RH (Non-condensing)
Sound Level	≥85 dB (at 3 m)	≥85 dB (at 3 m)	≥85 dB (at 3 m)
Alarm Output	Visual and Audible Indication	Visual and Audible Indication	Visual and Audible Indication
Warm-up Period	Approx. 100 seconds	Approx. 100 seconds	Approx. 100 seconds
Mounting Method	Wall Mounting / Ceiling Mounting	Wall Mounting / Ceiling Mounting	Wall Mounting / Ceiling Mounting
Dimensions	85 × 85 × 28 mm	85 × 85 × 28 mm	85 × 85 × 28 mm
Certification	CE	CE	CE

Electrochemical Sensor

Electrochemical sensor for precise CO detection.
Highly sensitive to carbon monoxide levels.
Reliable early warning for hazardous CO.
Stable long-term performance and accuracy.
Professional sensing for dependable home safety.
Sound And Light Alarm

Audible and visual alarm on CO detection.
Red LED flashes with loud siren alerts.
Dual warning ensures no hazard is missed.
Loud enough to wake all occupants.
Instant notification for safe evacuation.
Reliable alerts for maximum safety.
Manual Test

Single button for quick manual testing.
Verify alarm function and sensor status.
Simple operation for routine self-checks.
Ensure device readiness with one press.
User-friendly design for all family members.
Maintain confidence with regular verification.
Low Power Consumption

Energy-efficient for extended battery life.
Minimizes power usage for long-term use.
Reduces battery replacement frequency.
Sustainable performance with low energy.
Eco-friendly operation for lasting safety.
Dependable detection with minimal power.
Error Alarm

Automatic fault detection with alerts.
Warns when sensor errors occur.
Timely notification for maintenance.
Ensures continuous reliable monitoring.
Self-diagnostic for device health.
Proactive error warnings for safety.
Wall or Ceiling Mounting

Flexible wall or ceiling installation.
Choose optimal position for detection.
Mounting hardware included for setup.
No professional tools required.
Compact design fits various layouts.
Secure placement for long-term use.

Carbon Monoxide Alarm HM-720ES series

Electrochemical Sensor

Sound And Light Alarm

Manual Test

Low Power Consumption

Error Alarm

Wall or Ceiling Mounting

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