3-in-1 Portable CO Detector Square 43-Hole Sensor

A portable 3-in-1 monitor that tracks carbon monoxide, humidity, and temperature so you can keep an eye on air safety anywhere — the RV, a tent, a hotel room. An upgraded 43-hole sensor design reads CO fast and refreshes every second, with a color-coded display that makes danger easy to read at a glance.

Features

• 3-in-1: CO (0–500 PPM), humidity (0–90% RH), and temperature (32–122°F)
• 43-hole sensor design with 1-second refresh on a 1.5″ HD display
• Color alarms: green (safe), yellow (warning), red (danger), with customizable threshold
• 1500mAh battery with Type-C fast charge (~60 min) and 120–150 hr standby
• Magnetic back and outdoor lanyard for travel

Specifications

• CO range: 0–500 PPM
• Battery: 1500mAh
• Size: 3.15 × 2.76 × 1.18″; Weight: 0.22 lb

Ships from Upland, CA.