Samsung Hanwha Wisenet SRN-1673S is an easy to use Plug & Play 16-channel NVR. The built in PoE/PoE+ network switch allows cameras to be connected directly to the NVR eliminating the need for additional hardware.

EM-201GDS resettable door release is unlike the break glass unit. It offers the benefits & environmental advantages of a resettable operating element

Hoyles S1718SP Piezo button with red / green LEDs and buzzer s/s. Door Status indicator with sounder, vandal resistant piezo push button together with one red and one green LED on a single gang stainless steel plate engraved 'Press To Release'.Specifically designed for use with our range of Interguard door interlock controllers. When used with an Interguard, the LEDs indicate the status of the relevant door.The piezo push button has no moving parts and is therefore not susceptible to damage from cleaning fluids.

Honeywell HEN32104 32 Channel 12MP NVR 16 x POE.Supports 32 video channels , Supports resolution up to 12MP maximum, Video compression: H.265, H264, Supports USB mouse to operate (included), Supports 2HDD up to 8TB, Supports DDNS and P2P Access by mobile device: Android, iOS Supports ONVIF protocol.