geiger counter 4 day standby time

{"cid":"91202130","title":"Nuclear Radiation Geiger Counter, \u22642.5\u00b0 Angular Resolution, 4-Day Standby & ZnS-Coated Scintillator","imgUrl":"https:\/\/img.chinax.com\/nimg\/65\/68\/789a51da3f544dc76e76587da4d6-200x200-1.jpg","attrs":{"Brand Name":"JOVI","Model Number":"JVVMED-015","Minimum Order Quantity":"1 Pc","Delivery Time":"Within 45 Working Days","Operating Temperature":"-20\u00b0C To 50\u00b0C","Payment Terms":"T\/T In Advance","Standby Time":"4 Days","Place Of Origin":"China","Measurement Range":"0.01 - 999.99 MSv\/h","Packaging Details":"Wooden Case","Relative Error":"\u2264 \u00b110%","Alarmtype":"Audible And Visual Alarms","Response Time":"<16s","Networking Nodes":"\u226532","Batterylife":"Up To 20 Hours"}}

{"cid":"91222344","title":"Ultraviolet Disinfection Function Senior Hearing Impaired Amplifier For Moderate To Severe Loss FOG50 Max 2900Hz 40dB\u00b14dB","imgUrl":"https:\/\/img.chinax.com\/nimg\/cb\/42\/6bb9f2d6e14158cf88000ab4da92-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"Sounds Good","Model Number":"WM-AP01","Minimum Order Quantity":"500PCS","Delivery Time":"5-8 weeks","Certification":"FDA","Place of Origin":"CHINA","Payment Terms":"T\/T","Supply Ability":"1000pcs per day","Packaging Details":"Carton Size: 32.6CM*29.7CM*25CM, Quantities: 40PCS\/carton box, Gross weight per carton box\uff1a6.9Kg, Net weight per carton box\uff1a1.6Kg","Style":"Behind The Ear (BTE)","Applications":"Moderate to Servere hearing loss","Main Chips":"8-Channel SOC digital chip","Max OSPL90 @2900HZ":"\u2264115dB\u00b14dB","FOG50 Max@2900Hz":"40dB\u00b14dB","Noise Cancelling":"Yes","Battery Life":"20 hours Above","Color":"White"}}