Feature:1. Using digital signal processing and FM modulation phase lock loop advanced technology, make sound more lifelike, performance more stable and working time longer without frequency deviation.2. LCD display more intuitive and accurate, with very low power consumption and minimal noise interference.3. 30 range digital volume adjustment, easy to operate by key, automatic data storage before power failure.4. Automatic switching speaker and receiver output, adopts quartz frequency stability, temperature change no longer affected by frequency drift.5. Professional audio signal analysis processing, FM signal noise automatic silence or weak signal, annoying rustle to eliminate traditional FM radio no signal or weak signal trouble.6. Using digital incremental rotation encoder adjusts volume and frequency, good hand feeling, accurate positioning, stable and durable, 360 rotation without dead angle.7. Support serial communication control, can use computer or MCU module equipment can control all functions.Specification:Condition: 100 percent Brand NewItem Type: ModuleMaterial: ABSColor: As Pictures ShownOutput Power: 500mWActuating Receiver3Wx2Actuated LoudspeakerFrequency Range50Hz-18KHzReceiving Frequency Range: Close Campus Radio: 87.0MHz-108.0MHzOpen Campus Radio: 76.0MHz-108.0MHzEquivalent Noise30dBPower Supply Voltage: 3.0V-5.0VChannel: StereoPower Supply Current: Maximum Volume 1000mA, Minimum Volume Under 60mAWeight: Approx. 36g.Package List:1 x Module1 x Accessory Kit