Geiger Counter Radiation Detector – Beta/Gamma/X-Ray, 5 Switchable Units, Triple Alert & USB Rechargeable

Know Your Radiation Exposure — Real Numbers, in Real Time, in the Units You Need.

Radiation is invisible and has no smell, no taste, and no sensation until exposure levels become medically significant. The only way to know your exposure is to measure it. This handheld Geiger counter uses a high-sensitivity Geiger-Müller tube to detect beta particles, gamma rays, and X-rays and display real-time dose-rate and cumulative dose readings across five switchable measurement units — so whether you're a first responder, a prepper, a lab technician, or a homeowner checking building materials for radon or uranium contamination, you're reading in the format your protocol or reference chart uses.

Five Switchable Measurement Units — Work in the Format You Need

Different fields, protocols, and reference documents use different radiation measurement units. This detector switches between all five with one button — no manual conversion:

• 🔬 μSv/h (microsieverts per hour) — standard international unit for dose rate. Used in medical, scientific, and international safety contexts
• 📡 mR/h (milliroentgen per hour) — legacy US unit still widely used in industrial, military, and emergency management contexts
• 🔢 CPS (counts per second) — raw sensor output, useful for comparing readings across instruments and detecting rapid changes
• 📊 CPM (counts per minute) — smoothed count rate, standard for food testing and environmental surveys
• ☢️ Accumulated dose (μSv) — cumulative exposure over the measurement session. Critical for tracking total personal dose during extended operations in elevated radiation environments

Dual Alarm Thresholds — Current Rate AND Cumulative Dose

Most consumer Geiger counters alarm only on dose rate — they warn you when you're receiving radiation fast. This unit lets you set independent thresholds for both:

• ⚡ Current dose rate alarm — triggers when the instantaneous exposure rate exceeds your set limit. Protects against walking into a high-radiation area
• 📈 Cumulative dose alarm — triggers when your total accumulated exposure during the session reaches your set limit. Protects against prolonged exposure in low-to-moderate environments where the rate alone doesn't trigger concern but the total dose accumulates to significant levels

The cumulative alarm is particularly valuable for extended field operations, disaster response scenarios, and medical professionals tracking total X-ray or fluoroscopy exposure across a shift.

Triple Alert System — LED + Audible + Vibration

When either threshold is breached, you get three simultaneous alerts:

• 💡 Bright LED indicators — visible in daylight and in low-light environments
• 🔊 Audible buzzer — alerts even when not watching the display. Also provides a click-per-detection audio signal during normal operation — the classic Geiger counter audio that intensifies as radiation levels rise
• 📳 Vibration alert — functions in noisy environments (machinery, crowds, loud emergency scenes) where the buzzer may be inaudible, and when the screen is asleep

Rechargeable — USB, No Disposable Batteries

The integrated high-capacity lithium battery runs for days per charge and tops up from any USB port — power bank, vehicle USB, laptop, or wall adapter. No AA or AAA batteries to buy, stock, or have fail in the field. For survival kit use or emergency preparedness, a USB rechargeable device that can top up from a solar power bank is significantly more practical than a battery-dependent device when stores are closed and fresh batteries aren't available.

Built Construction — Impact-Resistant for Field Use

Impact-resistant ABS shell, sealed keypad, and reinforced sensor window protect the Geiger-Müller tube — the most sensitive and fragile component — from daily handling, drops, and field conditions. The rubber-grip housing prevents dropping in wet or cold-gloved conditions. Compact enough to pocket, light enough to carry all day.

Specs at a Glance

• ✅ Radiation types: Beta, gamma, X-ray
• ✅ Sensor: High-sensitivity Geiger-Müller tube
• ✅ Measurement units: μSv/h, mR/h, CPS, CPM, accumulated dose (5 switchable)
• ✅ Alarm types: Current dose rate + cumulative dose (dual, user-set)
• ✅ Alert: LED + audible buzzer + vibration (triple)
• ✅ Display: Large backlit LCD
• ✅ Power: Rechargeable lithium battery — USB charging
• ✅ Shell: Impact-resistant ABS with sealed keypad
• ✅ Audio: Click-per-detection + alarm buzzer

Who Uses This Device

• 🎒 Preppers & survivalists — nuclear incident response, fallout monitoring, and food/water safety verification post-event
• 🏠 Homeowners & renovators — test building materials, granite countertops, vintage items, and soil for elevated radon or uranium content
• 🏥 Medical & lab professionals — personal dosimetry check and X-ray/fluoroscopy exposure tracking
• 🏭 Industrial workers — scrap metal inspection for radioactive contamination (a real risk with imported metals)
• ✈️ Frequent flyers & high-altitude travelers — cosmic radiation dose monitoring at altitude
• 🔬 Science educators & hobbyists — hands-on radiation science demonstrations and antique uranium glass detection

Pro tip: For survival/nuclear preparedness use, the accumulated dose display is the most operationally important metric. After a nuclear event, what matters is your total dose over time — not just whether the current rate is "safe." Set your cumulative alarm to 100 mSv (the approximate threshold where increased cancer risk becomes measurable) and track session totals across any foray into a potentially contaminated area. Convert between μSv and mSv: 1,000 μSv = 1 mSv.

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