นาฬิกา LED แสดงช่วงเวลา 1.8 นิ้ว 6 หลัก , ไฟ LED สีฟ้า 4 ดวงบวกไฟ LED สีแดง 2 ดวง , รองรับฟังก์ชันนาฬิกาปกติ , ฟังก์ชันนับถอยหลัง / ขึ้น , ฟังก์ชันนาฬิกาจับเวลาและ Fitness Interna

This timer consists of two blue color digits and four red color digits. It is designed for fitness exercise. Main feature is invertal timing. Besides, it also supports regular clock like IN4T1.8R,supports stopwatch(minutes, seconds and 1/100 hundreds), support countdown/up function like IN4T1.8R. We may say it is 5 in one(support five functions -- stopwatch, regular clock, countdown, count up, intervals and regular clock.

About the Item
Item Name: 1.8" High Character 6 Digits LED Digital Interval Clock;
Digit Material: High Quality LED seven segment;
LED Lifespan: 6 years;
Brightness: Ultra brightness for indoor only;
Cabinet Material: Aluminum housing plus acrylic transparent cover; 
Control Method: IR remote control, about 5m control distance;
Input Power: 100VAC-240VAC;
Work Voltage: 6VDC;

Function
1. Regular clock function(Display time in hours,minutes. Under this function,the first two blue digits standas for 12/24-hour display. When it shows H1, means the clock is running 24-hour format time; When it shows H2, means the clock is running in 12-hour format time.) 
2. Countdown function(99:59 to 00:00 in minutes & seconds. Under this function, the first two blue digits show dn, means down.)
3. Count up function(00:00 to 99:59 in minutes seconds. Under this function, the first blue digits show UP, means up.)
4. Stopwatch. Under this function, the first blue digits standars for minutes, the other four red digits stands for seconds and 1/100 seconds. There is no ":"  between blue and red digits. But there is a ":" betweenseconds and 1/100 seconds;
5. Interval Timing. When it runs as an interval timer, it supports minutes seconds timing only. You can set max 9 groups(group here can be taken as preference). There are 9 intervals can be set  under each group. Each interval contains training time and rest time. Group is symboled ard by letter P and Training time by F, Rest time by C. Group one will be shown as P1, group two will be shown as P2,etc. And Rest time and training time will be shown as F1,C1,F2,C2,etc.

Features 
Multiple function;
Visible up to 35 feet(10m,indoor only);
Remote control allows easy time set when mounted out of reach;
Aluminum case;
100VAC-240VAC Input;
6VDC work voltage;
With installation brackets;