New and high quality. Made of high-quality materials for maximum durability and reliability. Seamless fit. Easy to install with no complicated tools required. Professional workmanship, exquisite design, novel style. Type: QRB1 Flame Detector Photosensitive Electric Eye Burner Detection Photoresistor for Burner Waste Oil Note: Installation guide not included. Professional installation is strongly recommended. Please verify compatibility to ensure the item meets your needs. Tips: Product may vary slightly between batches. Actual product may have minor differences in color or appearance, which do not affect functionality. Color: As shown Material: Plastic Package Contents: 1 x QRB1 Flame Detector Photosensitive Light reflection and display settings may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm.