100-memory storage capacity for each user (200 total) with date & time stamp

Bluetooth version:4

It needs a constant power supply either from an external battery pack or hardwire

making it perfect for dining and enjoying a few cups of coffee

5'' H X 25

Class 3 Hi-Vis Crewneck Sweatshirt Size:2XL 100-memory storage capacity for eachClass 3 Hi Vis Crewneck Sweatshirt 360 visibility for road crews, emergency responders. Warmth and visibility for chilly days. Soft, comfortable fleece with elastic wrists and waistband. Machine washable. S 21670 2X L SIZE: 2X L Chest: 56 60" Sleeve: 26 1 4" MATERIAL: Polyester TYPE: R (Roadway) SIZE: XL Chest: 52 56" Sleeve: 26" MATERIAL: Polyester TYPE: R (Roadway) Class 3 Reflective High Risk Environments 360 visibility for road crews, emergency