Durable alloy case that resists drops, erosion and water, stainless steel contacter EM/TM
Button Contact System
Dimensions: 120 45 25 mm
Weight:200 g
Memory:256 KRAM
Storage Capacity: Up to 4094
iButton ID reads
Storage Temperature: -40 to 90
Operating Temperature: -20 to 80
Battery:3-volt lithium battery
Payment:T/T