Portable PIR and Keyfob. Wireless range up to 20m. PIR. Designed to be either free standing or wall mounted. Ideal for flats, sheds, garages or caravans. Small, portable and easy to use. Keyfob. Designed to remotely arm/disarm the PIR. Wireless connection with detection unit. Size of PIR (H)21.5, (W)8, (D)4cm. size of keyfob (H)12, (W)5.2, (D)3cm. Weight of PIR 0.193kg. Weight of keyfob 0.46kg. Batteries required for PIR, siren and door contact 4 x AA, not included. Batteries required for keyfob 3 x AG13, not included.