power supply

Bell Output is 700mA on the NEO 2023 , and 2 30 Watt siren are around 350mA to 1100ma each. Do I need to add an Extra Power Supply?

I just tore down a Reolink RLC-510WA WiFi CAM since one of the 5 buck switching power supplies on the main PCBA was in need of repair. Yes there are FIVE 5! SMPS on the main PCBA of RLC510WA and two LINEAR regulators. But I digress. Can anyone help me identify the SMPS controller chip in the...

M’y DAHUA up cameras doesn’t power on when connected to PoE switch but it powers on when I connect a 12v adapter. What could be the problem with the PoE line and how to solve it?

Hello, I recently bought a house that has security cams on the exterior but the power supply is missing. I have a DVR box that says the brand "Anran" but the cameras do not have any markings that i can see that identify the brand. I need to find out so I can figure out what power supply is...

I have purchased 6 piece HAC-HFW2221R-Z-IRE6, and will use Cat5 wire to connect. Therefore I have purchased the following video balun. Cameras came without power supply, which I think is standard. I know they are are 12v but I can't find anywhere how many Amp the power supply should be...