Temtop
✓Gas Detectors
Temtop Air Quality Monitor PM2.5 PM10 Temperature Humidity Detector with Real-Time AQI and Bluetooth App, P1
★★★★★4.6
$187.99
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$255.99
TopTes Guard-756 Upgraded Oxygen Detector, 0-30% VOL, Portable O2 Monitor, 0.5s Fast Response, Rechargeable O2 Gas Detector, with Vibe, Light & Sound Alarms, Dust and Explosion Proof, for Work, Home
★★★★★
$255.99
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About this item
- Precise Sensor with 0.5-Second Quick Response: The Guard-756 upgraded O2 monitor features a DDS sensor that triggers an alarm within 0.5 seconds when oxygen levels reach the preset threshold, continuing until levels return to safe. The upgraded sensor offers longer life, greater accuracy, and high resolution
- 7-Day runtime & 4-Hour Quick Charge: The oxygen detector is equipped with a robust 2000mAh battery that charges fully in 4 hours, offering up to 7 days of operation on a single charge. It includes a real-time battery indicator, and a low-battery alert activates automatically when power falls below 10%, ensuring uninterrupted monitoring and protection
- Triple Alarms: The Guard-756 oxygen meter features three alarm modes: LED light, vibration, and sound. After an alarm, it automatically logs data for tracking and safety, with a capacity of up to 999 records. Its sensor is located at the top of the device, minimizing the chance of airflow blockage by the hand when held or worn, and reducing the risk of contamination from hand residue or dust
- Portable and Explosion-Proof: The compact oxygen monitor with a back clip is easy to carry. Made from high-strength ABS plastic, it is waterproof, dustproof, and explosion-proof. Suitable for industrial work, mining, firefighting, labs, and home use, it’s ideal for safety managers, lab technicians, and emergency responders
- What You Will get: Guard-756 Handheld Oxygen Detector, a packaging box, user manual, charging cable, and standard gas cover. The device is factory calibrated and has passed rigorous safety tests by internationally recognized authorities. It holds valid certifications and meets industry standards, ensuring high reliability and accuracy in various environments
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Customer reviews
What customers say about Bigamart
10 Trustpilot reviews total, with 2 shown at a time.
Trustpilot
★★★★★
Excellent
4.5 average rating
S
Sigalit
🇮🇱 · January 2026
★★★★★
I wrote to Bigamart's customer support and they accompanied the process of reshipping the item until it finally arrived. I felt a genuine effort to solve the problem till it was finally solved.
V
Verified buyer
🇦🇺 · November 2025
★★★★★
The package was here in Australia from England in a few days — so quick! Something was missing and they refunded it straight away. Pretty happy with these guys.
Showing 1–2 of 10 reviews
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