45 ℃. Measurements: 144 * 144 * 34.1 mm. Network Paging Console XC-9037N Power Supply: DC12V/1.5 A. Present: 4-inch touchscreen, resolution 480 * 480. Communication Protocols: TCP/IP, UDP, SIP. Signal-to-Noise Proportion: > 80dB. Regularity Action: 100Hz https://johnathanwnuaf.thezenweb.com/streamline-your-announcements-with-a-high-quality-ip-paging-microphone-67811145