Greentest 1 can detect nitrate content in more than 60 most commonly consumed typesof fruits and vegetables. In just 3 seconds, Greentest 1 can tell you whether the nitrate contentof fruits and vegetables exceeds the standard and whether the food you got is safe to eat. Connection to mobile APP, data storage and sharing etc. The timer function has beenadded to for users convenience to control the cooking time and save the max vitamins andnutrients.Greentest 2FA portable smart food safety detector, suitable for checking fruits, vegetables, meat and fish. The equipment uses the latest nitrate detection technology to quickly and accurately detectthe nitrate content of more than 60 most common types of food. In just 3 seconds, Greentest 2F can tell you whether the nitrate content of your fruits,vegetables, meat and fish exceeds the standard and whether the food is safe to eat. The latest version is equipped with a capacitive screen, which is more sensitive to touch. Bluetooth module is added along with connection to the mobile APP for data storage andsharing. Timer function is added to help control the cooking time.Greentest 3F is made to check the nitrate content in fruits, vegetables, meat, fish and thecontent of total dissolved solids (TDS value and water hardness) in water. Greentest 3F can notonly quickly and accurately detect the safety of more than 60 most common foods, but alsothe quality of drinking water.The latest version is equipped with a capacitive screen, which is more sensitive to touch. Bluetooth module is added along with connection to the mobile APP for data storage andsharing. Timer function is added to help control the cooking time.Greentest ECO 4Flt is an intelligent detection equipment witch integrate the nitrate and radiation detection. Theequipment enables the newly developed nitrate and radiation detection technology. Greentesteco 4F can not only quickly and accurately detect the nitrate content of 64 kinds of fruits andvegetables in 3 seconds, but also detect the background radiation in the surroundingenvironment, and remind people not to be exposed to unsafe radiation environment. The latest product is equipped with a capacitive screen, which is more sensitive to touch;Bluetooth module is added, which can be connected to the mobile app for use, data storage andsharing, etc; Added timer function to help control cooking time.Greentest ECO 6The latest and most updated model Greentest ECO6 is a smart detection equipmentintegrating nitrate, water and radiation detection. Adopting the latest designed capacitive screenand using the newly developed nitrate,water and radiation detection technology, GreentestECO6 can not only quickly and accurately detect the safety of 60+ commonly consumed fruits,vegetables, fish and meat, but can also detect the quality of drinking water and the backgroundradiation in the surrounding environment, so that users can protect themselves from the unsaferadiation ions.ln addition, users can connect the device to a smart phone and perform detection throughthe APP.The latest version is equipped with a capacitive screen, which is more sensitive to touch. Bluetooth module is added along with connection to the mobile APP for data storage andsharing. Timer function is added to help control the cooking time and save the max vitamins andnutrients.FEATURES:Lightweight and compact size.Capacitive screen: tmore sensitive, high-resolution color display and intuitive softwareinterface.Fast and accurate results in only 3 seconds, with an error of less than 10%.The world's most advanced dual detection probe,small wound, higher accuracy (full series upgrade).The radiation detector, Geiger-Muller tube, allowsthe device to perform accurate measurement. Long battery life, USB rechargeable lithium ion720mAh battery can provide up to 20 hours of usetime.Timer function.Model: GreentestEco ECO4F Upgraded capacitor screenNitrate measurement range: 0-9999 mg/kgMeasurement error: 10%Dimensions: 12252 x 14 mmWeight; 85 gramsTFT color display resolution :320240Power supply :720 mah lithium batteryAdditional power supply :USB Power supply chargerUSB charging current ::310 maPower supply voltage range :5 vUsage time :20 hours(Use fully charged 720 mAh lithium battery in default device Settings)Operating temperature: 0-60 +CModel: GreentestEco ECO6 Upgraded capacitor screenDetection categories: fruit, vegetables, fish, meat nitrate detection, water quality TDS detection, environmental radiation detection, timerTechnical specifications:Nitrate measurement range: 0-9999 mg/kgTDS measuring range: 0-999 ppmBackground radiation measurement range: 0-9.99 Sv/hMeasurement error : 10%Dimensions :122 x52 x 14 mm /Weight: 90gTFT color display resolution :320 x 240Power supply :720 mah lithium battery;Additional power supply :USB Power Supply charger,USB charging current :310 ma;Power supply voltage range :5 vUse time :20 hours (using a fully ch