This SIMPLE door entry kit is ideal for people who want to control access through a door fitted with a Yale type lock and DO NOT require the two way speech element making this very cost effective and ideal for reception areas, offices, shops, Taxi Offices etc. **NEW Easier to wire kit ** Suitable for doors fitted with a Yale type lock (night latch) Easy to follow wiring diagram included ! Kit Includes 1 x Power Supply (styles may vary) 1 x Bell Push 1 x 12VDC Buzzer 1 x 10 Meters of connecting cable 1 x Electric Lock Release with mortice plate* 1 x Small packet of cable clips 1 x Wiring diagram *The Electric Lock Release is suitable for door fitted with a Yale Type lock known as a night latch, it is not supplied. Do Not confuse this with simil.