1. Pcs/Carton: 24pcs/carton. 2. Extra material: five ply paper bag. 3. Product size: 195mm*136mm*31mm 4. Iner material: Color box. 5. carton size:465mm*425mm*375mm HEYI APP Alert Push 24 Wireless Zones DIY Wifi GSM Security Anti-burglar Home Alarm System