Functions and features : 1. backup and copy telephone directory of SIM card 2. volume:8KB (250telephone directory records) 3. single machines operation: neednot connect to PC or PDA to operate 4. lose no information when mobile phone lost 5. Copy information of backup machines to any SIM card if user is using different Sim CARDS in different cities or different countries. 6. Lose no information when out of electricity. 7. CE Approval PACKING: 1. Q'ty / Carton: 200pc 2. Carton size: 47.2 x 42.5 x 33 cm 3. N.W. 9.0 KGs 4. G.W. 10.8 KGs