U.S. buyer attention:
The areas where the US warehouse does not deliver goods are: Hawaii, Alaska, Puerto Rico, Guam and other US overseas territories. And the military address. But you can choose ship from China.

Spanish buyers attention:
If your address includes following postal code please do not choose the Spanish warehouse.
The zip code starts with 35/38.
Overseas warehouse cannot be delivered. But you can choose ship from China

Specification: Certification: NONE Origin: Mainland China Model Number: Gas Detector Power supply: 3*AA No. 5 battery power supply (not included, you need to bring your own) Quiescent current: <3.5uA Alarm current: ≤200mA Sensors: Electrochemical carbon monoxide sensor and infrared photocell Temperature: -10~50°C Humidity: 10~95% CO sensor detection concentration: 000~999PPM Smoke sensor sensitivity: 0.1%db/m~9.9%db/m Alarm indication: LCD display, light/sound prompt Alarm loudness: more than 80db Material: abs Size: about 78x48x25mm/3.07x1.89x0.98inch Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement.   1 x Carbon Monoxide Alarm Detector