Zmodo 720P HD WiFi Mini Color Sensor Home Security IP Night Vision Camera ZM-SH75D001 (with Power Adapter : US) User management Multi-lever user management,support up to 16 users Operating temperature 10 C to 50 C Power supply Output : DC 5V/1A Input : 100-240v~50/60Hz Power consumption 3W~5W IR distance Night visibility up to 10m