KaiCong pjb63 monitor warning signs warning stickers warning signs burglar warning signs KaiCong is a very well-known enterprise in the field of security and it is also China Security Association enterprise. All KaiCong products are researched and developed independently in order to pursue the perfect cost-effectiveness. All KaiCong products have barcodes and the barcodes are one-to-one correspondence,if you bought a fake, please contact us promptly. Color : white Size :40 * 12