In observance of the holiday, orders placed after 10:00 AM Eastern Time, Thursday, July 3, 2025 will ship on Monday, July 7, 2025 at 9:00 AM.

ITEM: 20210

PRICE: $29.95

Use with early V1 detectors, when switched on, starts up in the last mode selected when the unit was switched off.
Use only with V1 serial numbers XXXXXX0300 to XXXXXX0399
Not for V1 Gen2