Features Versatile Detection Capabilities: This Handheld Radiation Detector effectively measures beta, gamma, and X-rays, making it essential for safety assessments in various environments User-Friendly Display: Featuring a 1.8in color TFT screen, this Radiation Dose Counter presents data clearly with waveform trends, ensuring easy monitoring at a glance Exceptional Sensitivity: Designed for high performance, this detector offers rapid response times of just 3-5 seconds and minimal operating errors, providing reliable readings when you need them Comprehensive Alarm System: Equipped with sound, light, and color alerts, the Nuclear Radiation Alarm activates when levels exceed safety thresholds, ensuring you're always informed Convenient USB Charging: The Portable Radiation Detector comes with a USB cable for easy charging, and its built-in lithium battery allows for extended use without frequent recharges Features: 1、MAIN PURPOSE: Handheld nuclear radiation detector, can be used to test beta, gamma, x rays, compact and easy to carry, alarm threshold can be set arbitrarily. 2、CLEAR DISPLAY: This radiation tester adopts a 1.8in color TFT screen display, with waveform display trend, easy to read data clearly at any time. 3、HIGH PERFORMANCE: With high sensitivity and good stability, with instant response (3？5S), small operating error, which is efficient and . 4、MULTIPLE ALARMS: When the radiation exceeds the standard, it has sound, light, display color triple alarm, and has 4 levels brightn adjustment. 5、POWER SUPPLY: Equipped with USB cable, can be charged via USB, and built in lithium battery, the detector can be operated for a long time. Specification: Item Type: Radiation Detector Power Supply: 3.7V 1000mAh polymer lithium battery (built in battery) Charging Voltage: 5V Charging Current: ≥1A Indicator Light: Green light on, charging; green light off, fully charged. Display: 1.8in color TFT display, 4 levels brightn adjustment Shell Material: ABS Technical Parameter: Detectable Species: β, γ, x rays Test Tube Model: J302 Tube Real Time Dose Range: 0.00-9.99mSv/h Cumulative Dose Range: 0.00-500mSv Sensitivity: 0.25cps/uSv/h Energy Response: 48keV-1.5MeV Resolution: 0.01uSv/h Error: ≤10% Package List: 1 x Radiation Detector 1 x USB Cable 1 x User Manual Note: Do not bump it at will to avoid irreversible damage. Package List 1 x Radiation Detector 1 x USB Cable 1 x User Manual