Shenzhen Realhui Techology Co., Ltd.  

Product Name: Gp-3003b1 Handheld Supermetal Detector Model NO.: Gp-3003b1 Alarm Form: Sound and Light Alarm Application: Examination Room, Public Area, Factory Customized: Customized Certification: CE, ISO Detection Sensitivity: Detection of RMB One-Yuan Coin, Detection Distance The Power Supply: 9V Block Battery (6f22ND Battery), External Charge Working Temperature: - 5