3D printer sensor set new in box. From their website:
BLTouch Sensor Guide: All You Need to Know BLTouch is a type of semiconductor hall sensor and is an electronic component for 3D Printers. A precisely measures the tilt of the bed surface. It could work with any kind of bed material, such as glasses, wood, metals, and so on. BLTouch is fulfilled with simple structure and high precision by using progressively designed solenoid and hall sensors. It aims for user convenience and enjoyable printing by adding many smart functions, such as self-test, alarm, alarm release & Touch Switch mode, Blue LED for servo signal indicating, and Z-probe(Zmin) Testing. Main Features: The main functions and controls of BLTouch are the same as the usual auto bed leveling sensor, which consists of an RC servo and microswitch. Thus, BLTouch can be applied on almost every board. Self-test： The push pin operates two times in a test when the power is on. Alarm： The LED light blinks if a problem was found on a self-test or during operation Wiring defect indicator： Blue and Red LED for indicating wiring defects. Compatibility： This new upgraded Creality BL Touch works for Creality Ender 3 V2/Ender 3/Ender 3 Pro/Ender 3S/Ender 3 MAX/Ender 5/Ender 5 Pro/CR-10 with 32 bit V4.2.2 or V4.2.7 mainboard (Note: ONLY for 32-bit motherboard 3d printers mentioned above). With 3 kinds of install racks for different model's printer. Easy to Use: This auto bed leveling sensor makes it easier to level the hotbed, which can precisely measure the tilt of the Bed surface. Bed leveling is not a problem anymore. Intelligence self-check and alarm: The function of auto leveling is adopted to make it easier to use and to increase the success rate of shaping. Wide application： Compatible with ABS, PLA, glass, metal, plastic, and all materials.Support more filaments and apply to every control board of 3D printerPlease visit my store Big Texas Yard Sale for additional items you might be interested in.
Shipping Policy: Shipping is almost always via the US Post Office to anywhere in the USA. If more than one shipping option is available be sure to check the different options as the rates can vary. If you want more than 1 of an item or several different items I will combine items for a shipping discount. Please add them to your cart and request a combined invoice. I generally ship within a day or two of receiving payment. Insurance is included in the shipping cost.
Condition & Descriptions: I do my best to describe items as accurately as I can. Examine the photos closely as they are considered part of the description. Many of the items I sell are used, or new but in less than ideal condition. They may be missing or have damaged packaging, or have imperfections such as stains or less than perfect surface finish, but nothing that impacts their intended use unless otherwise noted. Please ask any questions before you bid or purchase an item.
Warranty and Returns Policy: All items are sold with a 30 day returns policy. To receive full refund the item must be received back in the same condition it was sent out in. Refunds do not include return shipping charges.
Payment Policy: If the listing is an auction, payment is required within 5 days of close of auction. Buy It Now listings require immediate payment.
Feedback Policy: Once you leave positive feedback indicating you are happy with your purchase, I will leave feedback. If you are not happy, please contact me prior to leaving negative or neutral feedback and give me a chance to respond. Good communication is the key to a successful transaction.
Thank you for shopping Big Texas Yard Sale!