Temperature Resilience: Withstands high temperatures up to 105℃, ideal for diverse environments Personal Dosimeter: Serves as a personal dosimeter, tracking your radiation exposure over time sound-Vibration Alarms: Features dual alerts with sound and vibration, ensuring you're aware of radiation levels Detector: Equipped with a high- J321-M4011 detector for accurate readings Product name:ND1 Nuclear Radiation Meter Product model:-POND1 Appearance size:100mm(L)x40mm(W)x19mm(H) working temperature:-20℃ - 60℃ Detection ray type:β-ray, γ-ray, x-ray detector:J321 (M4011) Geiger- counter tube data logging:7MB (maximum 30 days/about items) Alarms mode:sound, vibration Screen parameters:2.0Inch IPS LCD 320x240 battery capacity:1000mAh Battery life:about 15 hours (The product printed words depending on the batch, but this does not affect use) Color:As Shown Material:ABS Package Contents: 1 * ND1 Nuclear Radiation Meter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.