Portable Gas Detector, H2S O2 CO LEL 4 Gas Monitor with Sound Light Vibration Alarm, LCD Display Rechargeable Multi Tester for Home Kitchen

1. [High Sensitivity] Equipped with a highly sensitive sensor, this gas monitor ensures accurate measurement with excellent repeatability and short response time. 2. [3 Alarm Mode] The gas detector features sound, light, and vibration alarms when detecting gases, allowing for prompt and effective notification. High and low concentration alarm values can be set. 3. [Multiple Charging Options] This gas tester is rechargeable and can be charged using USB from a computer, car, power bank, and other convenient methods. 4. [Backlit Display] The gas monitor has a high resolution backlit screen that provides clear readings day and night, ensuring visibility even under sunlight or low light conditions. 5. [Wide Application Range] This versatile gas detector can be used in various fields, including marine, chemical, agricultural, laboratory, mountaineering, pharmaceutical industries, and more. Spec: Item Type: Gas Monitor Material: ABS Model: ST8904 Battery: Lithium battery 3.7V 1800mAh (built in) Basic Parameters: CO: 0- ppm H2S: 0-500 ppm O2: 0.0-30.0% VOL LEL: 0-100% LEL How to Use: Turn on the device to use directly. PackageList: 1 x Gas Monitor 4 x Accessories 1 x USB Cable 1 x User Manual 1 x Storage Bag

• [MULTI-GAS DETECTION]This 4-in-1 gas detector accurately monitors H2S (0-500ppm), O2 (0-30%vol), CO (0-999ppm) and gases (0-100%LEL) simultaneously using ultra-sensitive sensor technology with rapid response time and precise measurement. The advanced detection system ensures reliable air quality testing for home kitchens and industrial environments.
• [-ALERT SYSTEM]Equipped with multi-mode alarm system featuring high-decibel sound, bright LED flash and vibration alerts that activate when preset gas concentration thresholds are exceeded. Customizable high/low alarm values with visual notifications on LCD display provide comprehensive safety coverage for confined spaces and underground operations.
• [CLEAR LCD & LONG-LASTING POWER]Large backlit LCD screen displays real-time gas readings with exceptional clarity even in low-light conditions. Built-in 1800mAh rechargeable battery supports 12+ hours continuous operation via USB charging from computers, power banks or vehicle adapters for uninterrupted fieldwork.
• [ULTRA-PORTABLE DESIGN]Compact handheld design (weighing under 8oz) fits comfortably in pockets or tool belts, making it ideal for on-site monitoring across diverse sectors including , chemical plants, and natural gas facilities. Durable construction withstands harsh industrial environments while maintaining .
• [RELIABLE SUPPORT]24-month worry-free warranty with responsive customer service available 24/7. The gas detection system meets safety standards for residential and commercial use, featuring automatic self-test function and low-battery alerts to ensure operational readiness at all times.