White 3/4" Recessed Switch Ball Window Door Alarm Contact (10/20/50 Pack)

Plunger style contacts
Perfect for doors or windows
No magnet to be installed or aligned
Complete with spacer and screws
Basic sensors for any alarm system
Used for protecting sliding doors and windows where space is limited
Rollerball plunger travel is 1/4" (6mm)
360 degrees rollerball
18" (46cm) leads
White Color
Package of 10, 20 or 50