TopTes Guard-722 Oxygen Detector, Portable O2 Monitor, 0-30%, Rechargeable 120H Battery Duration, Sound, Light and Vibration Alarms, Dust and Explosion Proof, Handheld O2 Meter for Work, Home - Orange

Quick Detection, Triple Alarm: Guard-722 O2 monitor is designed to measure oxygen levels in natural and industrial environments. When oxygen concentration reaches a preset level, the device triggers alarms (LED light, vibration, and sound). Default alarm threshold: 19.5%-23.5%. Guard-722 also features automatic alarm data logging for tracking and safety management

Rechargeable Design, 120H Battery Life:  Guard-722 Oxygen Detector is rechargeable and runs for up to 5 days on a single charge. It also includes a real-time battery indicator and low battery alert, ensuring continuous O2 monitoring. Password protection prevents accidental operation, with an initial password of "11"

Portable Design, Safe and Explosion-Proof: Made from high-strength ABS engineering plastic, the oxygen meter is waterproof, dustproof, and explosion-proof, suitable for various work environments. Its compact size and back clip make it easy to carry

Professional Certification: The Guard-722 O2 detector is calibrated before leaving the factory and has undergone strict safety tests by internationally authorized organizations. It holds valid certifications and meets industry standards, ensuring high reliability and accuracy in various settings

What You Will Receive: Guard-722 Portable Oxygen Detector, a packaging box, user manual, charging cable, and standard gas cover. Suitable for industrial, mining, firefighting, labs, and home use. It is ideal for safety managers, lab technicians, and emergency response personnel