Will this detect propane gas? Lookin to install in my travel trailer

no, you will need a separate detector for that. LP gas is detected near the floor of a RV. Carbon Monoxide rises and is detected near the ceiling. My Travel Trailer had a carbon monoxide detector near the bed room on the wall near the ceiling, a LP detector in the kitchen near the floor and a smoke detector on the ceiling between the kitchen and living area.

This detector cannot be used if temperatures are below 40f or above 100f. what detectors are available that can be used below 40f and above 100f?

Thank you for your question. Our alarms are manufactured to be used in the home, in living areas. Most homes would be inconsistent with temperatures below 40 or higher than 100 degrees. If you're using this in a camper/trailer etc- you should keep it in your home when the camper/trailer is in storage not being used. Consistent extreme temps can affect the sensors, components & battery life.

is this detector certified for use in rv's ?

I see RV's use unconditioned CO detectors that aren't temperature controlled. I wouldn't use it in an RV.

Can I use it as a portable co detector? Going on a trip from one hotel to another and never mounting it

It is battery operated so I don't see why you can't take it with you

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Descripción

🚨 Stay ahead of danger with silent confidence!

DUAL SILENCE FEATURES - Silence both alarm and low-battery chirps effortlessly—control alerts without compromising safety.
TAMPER RESISTANT DESIGN - Locking pin secures battery cover, ensuring uninterrupted protection in shared or rental spaces.
CODE COMPLIANT TRUSTED - Meets UL2034, NFPA 720, and ICC standards—perfect for apartments, dorms, and hotels where safety matters most.
EASY INSTALLATION MAINTENANCE - Mount on wall or ceiling with included hardware; replace batteries without removing the unit.
PRECISION ELECTROCHEMICAL SENSOR - Experience the highest accuracy in CO detection with advanced sensor tech trusted by professionals.

The FIRST ALERT CO250 is a battery-operated carbon monoxide alarm featuring a state-of-the-art electrochemical sensor for the most accurate CO detection. It includes a powerful 85dB horn, two silence functions to temporarily mute alarms and low-battery chirps, and a tamper-resistant locking pin to prevent battery removal. Designed for easy wall or ceiling installation with included hardware, it complies with major safety standards (UL2034, NFPA 720, ICC) and is ideal for residential and institutional settings like apartments, dormitories, and hotels. Powered by a 9V battery (included), it ensures reliable, long-lasting protection with a sleek, low-profile design.

Presupuesto

Brand	First Alert
Style	1 Pack
Power Source	Battery Powered
Color	White
Product Dimensions	1.6"D x 4.25"W x 4.25"H
Item Weight	6.24 ounces
Alarm	Visual
Sensor Type	Electrochemical
Global Trade Identification Number	00029054003928
Material	Carbon
Number of Items	1
Manufacturer	First Alert
UPC	029054003928
Part Number	CO250B
Item Weight	6.2 ounces
Item model number	CO250B
Batteries	1 9V batteries required. (included)
Is Discontinued By Manufacturer	No
Size	1-Pack
Pattern	Detector
Voltage	120 Volts
Item Package Quantity	1
Number Of Pieces	1
Sound Level	85 dB
Mounting Type	Plate Mount
Included Components	Electrical & Heating;Rough Electrical;electrical-timers
Batteries Included?	Yes
Batteries Required?	Yes
Battery Cell Type	Alkaline
Warranty Description	7 Year Limited Warranty

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