Dehang Digital Portable Electronic Countdown Timer

Specifications:
The Range of Counting Down Time: From 1 second to 99 minutes 59 seconds
Time Alarm Setting:
Press MIN key to set minutes.
Press SEC key to set seconds.
Press START key to start to count down
Time Alarm Clearing: Press MIN and SEC key together for a while
Operation Temperature Range: -10C to 50C
Power Supply: 1 * 1.5V AAA battery£¨battery not included£©
LCD Screen: 39 * 22mm
Dimensions: 76 * 79 * 15mm
Count Up & Down Function
1 second to 99 min 59 seconds
Count down-with buzzer alarms for 32 seconds