Tecsun GR-138 GREEN DYNAMO CRANK RADIO DT9205A Digital Multimeter 0 is a professional-grade long-range

0 is a professional-grade long-range wireless communication module based on the Semtech SX1278 transceiver

1x CR2016 3V Lithium Coin Cell Battery

Product Type Battery Holder / Battery Cradle Battery Compatibility 21700 Lithium-Ion Cells (21mm x 70mm) Number of Cells 3 Cells Mounting Type SMT (Surface Mount Technology) Material High-Temperature Resistant Engineering Plastic (PA66/ABS) Contact Material Nickel-Plated Spring Steel / Phosphor Bronze Rated Voltage Up to 12

Solar Energy system

The watch supports fast charging technology

Tecsun GR-138 GREEN DYNAMO CRANK RADIO DT9205A Digital Multimeter 0 is a professional-grade long-rangeTecsun GR 138 GREEN DYNAMO CRANK RADIO The Tecsun GR 138 Green Dynamo Crank Radio is a portable emergency radio receiver that combines hand crank mechanical power generation with AM FM radio reception, designed for disaster preparedness and off grid communication scenarios. Emergency response professionals, outdoor enthusiasts, and disaster management agencies rely on this device as a critical backup communication tool when conventional power sources