TECKNETWireless Home Alarm, Mini Door and Window Alarm Sensors, 2-in-1 Alarm & Doorbell, 3 Level Volume Control, Alarm System for Home, Shop, Office, Garage (6 PCS)

TECKNET Door Alarm Sensor, Window Alarm Sensors, 2-in-1 Alarm & Chime, 3-level Volume Control, Door Sensor Alarm for Home Security, Wireless Burglar Alarms for House, Shop, Office, Garage (6 PCS)

AceMining Upgraded Door Security Bar & Sliding Patio Door Security Bar, Heavy Duty Security Door Stoppers Adjustable Door Jammer Security Bar for Home, Apartment, Travel

PATLOCK French Door, Patio and Conservatory Security Lock for Double Doors Fitted with 2 Internal Horizontal Handles