4-in-1 Travel CO Detector 220H Standby

A 4-in-1 portable air-quality monitor that watches CO, humidity, temperature, and UV — plus a built-in LED for dark or emergency situations. A high-sensitivity sensor refreshes every half-second onto an HD display, with color-coded audio-visual alarms that escalate with the danger.

Features

• 4-in-1: CO (0–1000 PPM), humidity (0–99% RH), temperature (14–140°F), and UV index (0–11)
• Rear LED light for temporary illumination
• 0.5-second refresh with a 3D multi-vent design for accuracy
• Color alarms: green (safe), yellow (warning), red (danger); customizable threshold (25–125 PPM)
• 2000mAh battery, Type-C fast charging, up to 240 hr runtime
• Stand, magnetic back, and outdoor lanyard

Specifications

• CO range: 0–1000 PPM
• Battery: 2000mAh (up to 240 hr)
• Size: 10.3 × 6.3 × 2.7 cm; Weight: 105g

Ships from Upland, CA.