CATERPILLAR CAT B25 512MB BLACK IP67 RUGGED DUAL SIM FACTORY UNLOCKED SIMFREE CELL PHONECOMPATIBLE TO USE WITH NETWORK SIM CARDS THAT WORKS ONSIM 1 & SIM 2 - 2G : GSM 850/900/1800/1900IMPORTANT : PLEASE CHECK WITH YOUR NETWORK PROVIDER THE COMPATIBILITY BEFORE YOU BUY.Model No : CAT B25 - DUAL SIMUp to 9.5 hours of talk-timeHigh quality speaker & noise cancelling microphoneDual-SIM card functionalityDrop proof to 1.8m, this compact phone can handle a little rough and tumble. It doesn’t mattter if it falls from your hand or you accidentally knock it off the bench – this is one rugged phone that’s tough enough to take it.Waterproof up to 1m for 30 minutesHigh quality speaker & noise cancelling microphoneDual-SIM card functionalityPlatform/OS: ProprietaryIP Rating: IP67 CertifiedWaterproof: Up to 1m for 30 minsDust Proof: Impervious to dustDrop Test: Up to 1.8M (6 ft)