FUNCTIONS: Detects and precisely measures levels of beta, gamma, and x-radiation in food, water, construction materials, and environment Detects radiation leaks, contamination (such as from X-ray machines), and radioactive minerals in the earth Provides real time measurement of radiation levels Provides accumulated dosage measurement of radiation FEATURES: SEARCH MODE allows you to pinpoint radiation sources MULTIPLE LANGUAGES: English, Spanish, Russian, and Portuguese NEW RUBBER-INFUSED PLASTIC for ultimate protection and comfortable grip RECHARGEABLE via micro USB port Extremely EASY, USER-FRIENDLY design, perfect for NOVICES and EXPERTS alike One of the FASTEST personal Geiger counters available - produces measurement results in only 10 SECONDS MILITARY-GRADE radiation sensor provides ultimate SENSITIVITY, ACCURACY, AND PRECISION Vibrantly COLORFUL LCD SCREEN Displays both precise NUMERICAL results and COLOR CODES: GREEN: normal background radiation, YELLOW: high background radiation, RED: dangerous background radiation Accumulated Dosage up to 9,999,000 counts TIMER for up to 40 hours Audible ALERT warnings and alarm sound in SEARCH MODE COMPACT and LIGHTWEIGHT design is perfect for use anywhere, anytime PHENOMENAL BATTERY LIFE: holds charge for 50+ HOURS OF CONTINUOUS USE and 500+ hours in standby mode! SPECIFICATIONS: Background Radiation Level Measurement Range: 0.03 - 1,000 uSv/h Radiation Measurement Method: Gaseous Ionization Geiger-Muller Tube: SBM-20-01 Size (WxHxD): 1.75 x 4.25 x 0.75 inches Weight: 10 ounces CE certified, RoHS compliant, and meets WEEE Standards We are the exclusive official manufacturer and distributor of SOEKS devices in the United States.