yup just put the "to Battery" to your batteries. as long as there is no miss sized fuse between that and the batteries that could let you have the panels suppling power when the batteries are disconected I dont see an issue.
there should be more than just a temp sensor, mine has the temp sencor, pannels, battery, load and a bluetooth plug. the load is kinda useless for me as it just runs light loads but it is a good option for its controlability if it suits you.
Steve
2014 F350 6.7 Platinum
2016 Cougar 330RBK
1991 Slumberqueen WS100