Specifications:

• Adjustable Alarm Time: 0- 3 minute
• Brand Name: Realhelp
• Built in light dependent resistor (LDR): for anti tamper
• Card Reading Distance: 3-6 cm
• Certification: CE
• Fast operating speed: <20ms with 2000 users
• Lock output: current short circuit protection
• Model Number: S600System
• Operating Temperature: -45 - +60 degree
• Operating Voltage: 9V-28V
• Origin: CN(Origin)
• Smart home platform: Other
• User Capacity: 2000
• Very low power consumption: 30mA