Suggested Retail: $36.99. GRAY RHINO Portable Travel Carbon Monoxide Detectors with Alarm Standable 3-in-1 CO Detector Humidity Temperature Mini Pocket Size Gas Monitor Air Quality for Trip Camp RV Car - This versatile and highly sensitive CO detector by Gray Rhino is designed for modern, compact, and portable use. It is easy to operate with a 2.48 IN HD IPS display and functions as an indoor thermometer and humidity meter. It is rechargeable, eco-friendly, and has a working time of about 72 hours. The detection range is 0-999PPM ±5PPM, with a temperature range of 14°F ~ 122°F±5% and humidity range of 0 ~ 95%RH±5% RH. Brand: GRAY RHINO Model: HD09 -- LOT STICKER: TCE-BOX-BOXTCED0779-ITEM-42051b9b___LPNND46L11LLR GRAY RHINO Travel Carbon Monoxide Detectors Portable with Alarm Standable 3in1 CO Detector Humidity Temperature Mini Pocket Size Co Gas Monitor Air Quality for Trip Camp RV Car HD09, Gray -- SIZES ARE ESTIMATED. 7 CALENDAR DAY FULL REFUND GUARANTEE (FROM PRIMARY PICKUP DATE) ON THIS ITEM IF ANY ISSUE IS FOUND THAT WAS NOT DESCRIBED/PICTURED. 7 CALENDAR DAY STORAGE (FROM PRIMARY PICKUP DATE) IS ALSO AVAILABLE. THE PRIMARY PICKUP DATE IS THE DAY AFTER THE AUCTION ENDS. SEE NOTES TO BIDDER, IN AUCTION DETAILS, AT THE TOP OF PAGE 1 FOR MORE INFO.