Check the listing for details. Fuzzy Logic CO2 Monitor/Controller PPM-2a **AS IS *UNTESTED. Condition: For parts or not working. Listed at 79.99 USD. SORRY, NO INTERNATIONAL TRANSACTIONS AND NO SHIPPING ITEMS BIGGER THAN (13"X13"X7" INCHES) TO P.O. BOXES, ALASKA, HAWAII, APO, PUERTO RICO or FPO. IF YOU WANT ITEM SHIPPED WE CAN WORK SOMETHING OUT REGARDING THE SHIPPING COST. WILL ONLY SHIP LARGER ITEMS TO THE LOWER 48 STATES. PARTS OR REPAIR!!Fuzzy Logic CO2 Monitor/Controller PPM-2a. DID NOT TURN ON SO SOLD AS IS PLEASE LOOK AT ALL FOTOS EVERYTHING IN PICTURES IS INCLUDED, IF ITS NOT IN FOTOS IT IS NOT INCLUDED Thanks for loOking! IF FOR WHATEVER REASON YOU ARE NOT SATISFIED WITH YOUR PURCHASE PLEASE CONTACT ME ASAP AND I WILL DO MY BEST TO MAKE IT RIGHT! I ACCEPT PAYPAL- PAYPAL CONFIRMED ADDRESS PREFERRED - I SHIP EVERY MONDAY, WEDNESDAY AND FRIDAY OF THE WEEK; PLEASE BE PATIENT - YOUR ITEM WILL BE SHIPPED AS SOON AS POSSIBLE.