Check the listing for details. Ecolink WST-400 Garage Door Tilt Sensor – DSC Compatible. Condition: New. Listed at 28.99 USD. Ecolink WST-400 Garage Door Tilt Sensor – DSC Compatible 433MHzAdvanced Security LLC offers UL Alarm Monitoring Services starting at $15.00 per month or DIY Self-Monitoring Services starting at $10.00 per month, NO Contracts, NO Hidden Fees, & NO Activations Fees. Message or visit our websiteWe are an Authorized Alarm DC, Honeywell Home, Resideo, AlarmNet, Ecolink, DSC, Telguard, SecureNet, Uplink, Alula, Bosch & 2GIG Security Dealer. We only sell Genuine Products, from authorized distributors. Not closeouts or old stock.Ecolink WST-400 Garage Door Tilt Sensor – DSC CompatibleEcolink’s Garage Door Tilt sensor simply mounts on the top of any garage door. With no magnets to align, this is the fastest and most reliable way to protect overhead garage doors.• Compatible with DSC 433MHz wireless• Slim form factor – 3.5” x 1.0” x 0.875”• Adjustable tilt angle• Operating Temperature range -22° to 120° F (-30° to 49° C)• Replaceable lithium battery (CR123A)• 5-8 year battery life• FCC and IC approved