Dear Friend Good day! This is Mr Boren from Alarmvip High Tech Limited, established in Hong Kong, covering 15, 000 square meters with over 1000 staff, 68 researchers and famous brand---- ALARMVIP. Our main products are home GSM alarm system, wireless/wired home alarm system, security systems ，car GSM alarm system, GPS tracking system, smoke detectors, gas/CO/LPG detectors and all kinds of detectors. They are with the CE, FCC, ROHS and ISO 9001:2000 certifications. For more information, you are welcome to visit our website: ***** It is the price list on the attachment. If you think the price is reasonable, you can order some samples to test on your side. If you have any comments on the price, you can also email us. By the way, you can still visit our manufacturer if it is convenient. Your early reply is highly appreciated. Hope we can have the long business relationship. Best Regards Mr Boren Alarmvip High Tech Limited