Features1. Official Pi 5 Active Cooler -- This is Official Pi Active Cooler for the latest RPi 5 4GB/8GB Board2. Composition--The RPi 5 Active Cooler is composed of Temperature-controlled Blower Fan and Aluminium Heatsink and comes with Thermal Tapes to accelerate heat dissipation3. Input voltage--5V DC (supplied via four-pin fan header on RPi 5)4. NOTE - RPi 5 Board is NOT IncludedSpecificationsInput voltage-- 5V DC (supplied via four-pin fan header on Pi 5)Fan speed control -- Pulse width modulation control with tachometerMaximum airflow -- 1.09 CFMMaximum Fan speed -- 8000 RPM 15%Material-- Anodised aluminiumHow to InstallConnect the 4pin cable to the fan header on RPi 5, and fix the Active Cooler via spring-loaded push pinsPackage ContentPi 5 Official Active Cooler x3