$37.52 (as of 21/08/2020 06:07 PDT details )
Features:
- KJ21PRO External Button Camera Compatible with KJ21PRO Only Can t be use for KJ21 and other model Can t be use for KJ21 and other model Can t be use for KJ21 and other model
- Video output format MJPG 25FPS, Resolution 1280 h 720 V
- Wire length 1 1.2 meters
- Lens D 90 H 70 5
- Three different button size for replacement. Note Please rotate it tightly, or the button is easy to fall