Thank you for viewing. This is a security camera set. I purchased it a few years ago and used it indoors. All functions have been confirmed to be working. Please check Amazon for details. What's included: ・NVR unit ・Wireless cameras *4 ・NVR power supply (12V/2A) *1 ・Camera power supplies (12V/1A) *4 ・Camera antennas *3 ・Other items (attachments, etc., some items that can be used even if missing) Thank you.