The Dahua ASR1100B-D-V1 is a waterproof access control card reader designed for indoor and outdoor installation. It supports 125 kHz ID cards and communicates through RS-485 or Wiegand 34 interfaces.

The reader features audible and visual status indicators, tamper alarm protection and an IP67-rated PC and ABS enclosure. Its compact surface-mounted design makes it suitable for various access control systems.

Technical details:

Card type: 125 kHz ID card
Reading distance: 0–3 cm
Response time: 0.1 s
Interfaces: RS-485 and Wiegand 34
Protection rating: IP67
Tamper alarm: Yes
Power supply: 9–15 VDC
Power consumption: ≤1 W
Installation: Surface-mounted
Dimensions: 102 × 72 × 18 mm
Operating temperature: −30 °C to +60 °C