RF Power Meter & Frequency Counter GY561 for 2 way radio. To measure mobile transceivers, walkie talkie in band UHF, VHF, KF, radio CB, frequency meter, to measure transmission frequency. Finding frequency of transmitter.

Non-contact infrared thermometer, use with the mobile phone. Rapid, Hygienic Fever Measurement - Could Save Lives In Outbreak, Covid-19 Coronavirus Outbreak. For parents, travelers, doctors, during home visits. It is a model of a contactless thermometer with a smartphone and a mobile application for Android. How to measure a child's temperature, protect yourself, your loved ones?