? Product Description: ? Item: Chat?R?Box CRB Sprinkler/Irrigation Valve Finder Locator (Original) ? Condition: Preowned but in excellent working order ? thoroughly tested ? Shipping: Free USPS/UPS Ground (2?5 business days) ? Returns: Free 30?day returns ? What It Does: The Chat?R?Box CRB connects to your irrigation controller?s wire?when your zone turns on, the valve ?chatters,? pinging its solenoid so you can quickly locate hidden or buried valves ? Key Benefits: ? Pinpoint lost valves in minutes without digging or renting expensive gear ? Palm?sized, easy to install ? simply clip to 24?VAC controller wire ? Why Choose This One: Original CRB ? the classic model known for reliable "chatter" signaling Proven track record Includes all original leads and clips; in great physical condition Application: Simply disconnect the Zone wire for the valve you intend to locate at the control panel and connect the CRB to the Zone lead in the control box and the zone (valve) wire using the label clips. Run the zone and listen for the chatter or repeated clicking sound emitted from the connected valve. No sound may indicate a cut zone wire or deeply buried valve. * This product may notfunction properly in locating some Rain Bird branded valves. * If you are looking to locate Rain Bird valves purchasing the Chat-R-BoxPro is strongly recommended to ensure product compatibility.