[NEVER USED] Carbon monoxide detector with LED display/electronic sensor, carbon monoxide alarm detector, 20000 PPM

Product never used, packaging damaged during transport. Unopened product, repackaged in our warehouses, in perfect working condition, warranty available.Features 20,000 PPM: This CO gas detector triggers quickly and accurately when the detection sensitivity reaches 20,000 PPM. High Precision: This CO gas detector offers stable performance and high-precision detection, refusing omissions and errors. Premium Material: This CO gas detector is made of high-quality ABS, is resistant to high temperatures, and is not afraid of deformation. Application: This CO gas detector is for liquefied CO gas. Space Saving: This CO gas detector is small and suitable for restaurants, hospitals, hotels, oil factories, garages, etc. Specification Item Type: CO Gas Detector Material: ABS</ Model: ZN-AZ-CO1-001 Battery: 1.5V AA x 3 (Battery not included) Purpose: Gas detection Basic settings: Sensitivity and duration: 50 ppm, alarm within 60 to 90 minutes</ 100 ppm, alarm within 10 to 40 minutes 300 ppm, alarm within 3 minutes Standby current: <50uA (without LCD display) <200uA (with LCD display) Alarm current: <75mA Operating conditions: 5-40°C, 20-90% RH