UniFi Cloud Key Manage Your Networks from a Single Control Plane Intuitive and Robust Configuration, Control and Monitoring Remote Firmware Upgrade Users and Guests Guest Portal/Hotspot Support Cloud Key Dimensions 21.7 x 43.4 x 121.9 mm (0.85 x 1.71 x 4.80") Weight 110 g (3.88 oz) Processor Quad-Core SoC Memory 1 GB DDR Networking Interface (1) 10/100/1000 Ethernet Port Buttons (1) Reset to Defaults Power Method 48V 802.3af or Passive PoE (Pairs 4, 5+; 7, 8 Return) or Micro-USB (5V) Power Supply 802.3af PoE or Micro-USB 5V, Minimum 1A Max. Power Consumption 5W Certifications CE, FCC, IC Operating Temperature 0 to 40° C (32 to 104° F) Operating Humidity 20 to 90% Noncondensing