ZKTeco ZK-d100s Hand Held..

• Security detecting: Prevent taking contraband, such as: knife, gun and so on.
• Factory: Prevent the loss of valued objects.
• Education area: Prevent taking cheat-tool,such as: telephone, electronic dictionary, and so on.

ZKTeco ZK-D300 Hand Held ..

• High-tech like appearance and strong anti-interference ability
• High sensitivity
• Sound and light alarm connects to an external earphone
• Three alarm modes: sound, vibration, and sound

Hikvision NP-SH100 Handhe..

• Adjustable Sensitivity: Customize for precise metal detection.
• Dual Alarm Modes: Vibrative, audible, or visual alerts.
• Fast Detection: Quick and accurate metal identification.
• Power Supply: Operates on a 9V battery or rechargeable option.