Features: The HT81 Radiation Detector Pen is suitable for high sensitivity detection, delivering precise radiation data for safety assurances as a geigers counter and radiation monitor. Featuring a bright LCD display for real time radiation dose rate (μSv/h) and cumulative dose (μSv) readings, this portable electromagnetic radiation detector includes sound and visual alarms that activate when radiation levels exceeds preset thresholds, ensuring immediate alerts. Designed for homeowners, laboratory technicians, hospital personnel, nuclear industry workers, and environmental monitors, this radiation detector provides essential protections for users in radiation prone professions. Ideal for scenarios like travel, outdoor, workplace inspections, or daily commutes, this compact radiation monitor offer on the go safety checks wherever radiation exposure is a concern. Constructed from ABS, this versatile radiation detector ensures robust performances across diverse settings, from home use to industrial environments, making it a must have tool for comprehensive radiation security. Specifications: Component: ABS Power supply: 2pcs 1.5V batteries ( not included) Package Includes: 1Piece Radiation Detector note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color of the item.