Wall Power Adapter: 9VDC, 1A, 5.5×2.1mm Barrel Jack, Center-Positive MAX_Kiosk With a coin cell plugged

With a coin cell plugged into the back

If sensors are used in your equipment or control systems

on average

A9G could also work with other devices by AT command

Wall Power Adapter: 9VDC, 1A, 5.5×2.1mm Barrel Jack, Center-Positive MAX_Kiosk With a coin cell pluggedThis UL listed 9 W , wall wart style switching power adapter supplies up to 1 A at a regulated 9 VDC . The AC adapter works with input voltages of 100 240 VAC and has a 1. 5 m (5 ft) DC power cord that is terminated by a center positive, 5. 5 2. 1 mm barrel connector. Details for item #1470 This UL certified (file number QQGQ. E245650 ) AC to DC converter gives you an easy way to power your DC electronics project from a US style AC electrical socket.