carbon monoxide alarm HS-720ES series

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