The milwaukee sms122 comes with a 12 v power adapter
Includes a screwdriver for calibrating the sms122

• one packet of 7.0 calibration solution
• original probe ma911b/1 (please note the probe for this meter will have a salty like substance on it.  This is normal as it is a solution they put on it to make sure it does not dry the ma911/b1 probe out.
• Milwaukee ph controller

Get a tank and gas regulator and you will be set.