The moisture meter can quickly measure the moisture content of the grain. 1. [Hand crank power generation] This outdoor emergency radio uses manual power generation and can be powered by solar energy. 2. [Multifunctional] Portable radio with AM/FM radio function, built-in radio antenna, lighting function, 5 LED, emergency alarm sound function. 3. [Battery] The radio can be charged via USB cable, with the function of emergency charging of the hand crank (the charging head must be prepared by itself). 4. [Easy to Carry] The multifunctional weather radio flashlight comes with a wrist strap that makes it easy to carry and prevents falling. 5. [ Material] The hand crank flashlight radio is made of ABS material, which is sturdy and stable and very durable. Specification: Item Type: Hand Crank Flashlight Radio Material: ABS Model: D300 Built-in lithium battery capacity: 120 mAh (included) LED: 5 LED flashlight FM frequency: 76-108 MHz 88-108 MHz AM Frequency: 520-1600KHz 520-1710KHz Alarm: 90dB Solar: 5-5,5V Output Power: DC 5 V List of packages: 1 x Radio 1 x Charging Cable 1 x Manual 5LED flashlight operation; inserted on the SIREN, alarm works. Move the volume back to tune the radio volume, while setting the frequency switch to FM or AM position, rotate the radio to tune, and select the desired radio melody. Stretch the wrist strap antenna or move the direction of the radio, you can get a good radio effect. Insert USB DC port or adapter port into IN, you can charge the internal battery, generally it can be fully charged for 3-4 hours. During manual power generation, turn off the charged product. 3.5 When manually charging, it must perform 120-140 revolutions per minute.