Checkpoint Button and GuardID Keyfobs
iButton Style(Touch Style)
Features
The iButtons(Checkpoints buttons and GuardID keyfobs are both ibuttons.) does not require power supply. data acquisition can be completed with just a simple contact. it is high quality and reliability, completely waterproof, anti-static, and can be safely used in various harsh environments
Technical Information
iButtons (Checkpoint and GuardID Keyfob) 
Dimensions
47mmx32mmx6mm
Working Mode iButton technology, a simple contact 
Operating Temp. -40℃~+85℃ ( -40℉~185℉)
Weight 2.4 g
Storage Capacity 60000 pieces records
Humidity 10% to 98% non-condensing
Waterproof Rating IP67

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GuardID-Keyfob-iButtons
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