1、This exit button is a capacitive touch-sensing access control switch, with automatic adaptability to ambient temperature and humidity; sensitivity and stability will not be affected by weather changes. 2、The LED indicator light is green when standby and red when touched to open. If there is insufficient light, you can find the switch accurately. 3、This DC 12V Touch Exit Release Button Switch provides a reliable design for your access control system. 4、Normally on or normally off switch signal is output when touched. This exit button is widely used in access control systems. 5、Suitable for shops, homes, factories, warehouses, laboratories, banks and prisons, etc. 1 x Exit Button1 x Screw Pack1 x Manual Condition: 100% Brand NewItem Type:  Exit Button Material: AcrylicColor: As Pictures ShownWorking Voltage: DC9-12VWorking Current:  ＜600mA Ambient Temperature: -30℃-60 ℃ Ambient Humidity: 20%-80%External Dimensions: Approx. 90x40x20mm/ 3.5x 1.6x 0.8in