* As thin as the credit card, with keychain      
* Countdown timer:0~399 days (LCD display:
Days/hour/minute/second)   
* Current time display   
* Sound alarms with Di Di when countdown time    
Is due  
* Battery 1 x AG10(Included)   
* Magnet(1pc) on backside for refrigerator

Handy credit-card-size version offers the same features as 2000, attached to a key chain.Prices include 4-color graphics and set-up, please inquire for artwork specifications.Mass production time:3-4 weeks.