1 Pcs Electric Door Push Button Switch & 1 pcs -15A Timer Board This is used for power supply time control. Can be used with a coin acceptor or other devices that can output pulse signals.and you can set up for what values to start your machine! Suitable for any kinds of automatic control devices such as gaming machines,massage chairs,shoes polishers,washing machines,chargers,dryers,and PCs. Suitable for public place location and most of electric device control,for example:PCs,washing machines,dryers,massage chairs,chargers,etc. AC 1250W/DC 500W electrical relay capacity. Electric Door Push Button Switch: Color: White, Green It is widely used in doors,exits,gates and automatic control. Includes two mounting screws. Easy to install and use. Product Name: Push Button Switch Use for: Electric Door Action Type: 1NO 1NC Contact Type: Momentary Size: 7.6 x 2.3 x 1.4cm/ 3 inch x 0.9 inch x 0.55 inch (L * W * T) Mounted Hole Dia.: 3mm/ 0.118 inch Material: Plastic, Metal control panel: Digital timer:rate adjustable by owner through three simple push button switch. The time can be set by seconds or by minutes. The timer control board for any electrical load does not exceed the following: DC 30V,AC 250V,Current 7A DC 28V,AC 250V,Current 5A Plug Type:EU Plug Plug Type:EU Plug,it applies to Indonesia,Germany,France,Spain,Italy and so on. Type:Timer Board Model:-15A Screen:4 digits LED screen Voltage:12V DC Size:91.0mmx54.30mm Color:green Material:PCB Package Contents: 1 * Electric Door Push Button Switch(two Mounting Screws) 1 * control panel 1 * wire Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.