Product Information:About the First Alert D520First Alert is a manufacturer of safety products for your home, office, or any location that should be protected. First Alert features security items such as smoke detectors, carbon monoxide alarms, security cameras and more.First Alert D520 is a Digital Wireless Color Camera with LED Night Vision that can be used to record in both indoor and outdoor applications. The D520 is a 2.4 GHz single security camera that will use motion sensing detection to capture activity and has audio builtin. It features up to 40 feet of night vision viewing, a wireless range of up to 750 feet, and the builtin audio has a range of 16 feet. The wireless single security camera can be used alone or as an addon to the D575, DW700 and DW702 First Alert Digital Wireless Security Camera Recording Systems. Security cameras will protect you or your business from potential dangers, threats and vandalism. Purchasing your separate security camera today from Westside Wholesale.First Alert Single Digital Wireless Color Camera includes:#149; (1) Digital Wireless Indoor/Outdoor Camera#149; (1) Power Supply#149; (1) Camera Stand#149; (1) Camera Mounting Hardware#149; (1) ManualAdditional Information:Manufacturer Specification Sheet (PDF)Manufacturer User Manual (PDF) Features:#149; Night vision#149; Builtin microphone for audio surveillance#149; Free from interference Specifications:#149; Model Number: D520General:#149; Operating Power: DC 5V#149; Operating Temp: 14F 122F#149; Dimensions (Camera and Stand): 4.7 in H x 2.8 in W x 7 in D#149; Weather Resistant: IP66#149; Transmission Channels: 40#149; Wireless Signal: 2.