DC12V PWM DC Fan Speed Controller Variable Speed Temperature Speed Controller with Temperature Probe High Temperature Alarm Mornsun LM35-22B05 AC/DC 35W Enclosed Switching Power Supply The main difference in this

The main difference in this bundle is the included HF upconverter module

The integrated buck-boost converter topology enables efficient charging even when input voltage drops below the battery voltage

Dual Biometric Authentication: Simultaneous facial recognition and fingerprint scanning eliminates identity fraud and ensures only authorized personnel can record attendance

and distance from base stations

4 GHz (Multi-band support) Transmit Power Up to 22 dBm with configurable output levels Communication Range Up to 15 km line-of-sight in optimal conditions Sleep Current Below 2 microamperes in deep sleep mode LoRaWAN Support Class A

DC12V PWM DC Fan Speed Controller Variable Speed Temperature Speed Controller with Temperature Probe High Temperature Alarm Mornsun LM35-22B05 AC/DC 35W Enclosed Switching Power Supply The main difference in thisDC12V PWM DC Fan Speed Controller Variable Speed Temperature Speed Controller with Temperature Probe High Temperature Alarm DC12V PWM DC Fan Speed Controller Variable Speed Temperature Speed Controller with Temperature Probe High Temperature Alarm The DC12V PWM DC Fan Speed Controller is a versatile device designed for controlling the speed of DC fans. Operating on a 12V power supply, this controller utilizes Pulse Width Modulation (PWM) to regulate