MAGNETIC CONTACT VESTA

Wireless door / window contact designed to supervise the opening and closing of doors and windows. Multifunctional, with a built-in extension terminal that allows connection of an existing roller blind or wired sensor, and also serves as a universal transmitter. When connected to the roller blind, it will inform the control panel when the blind is raised to a certain level.
It has a compact, low-profile design that allows it to fit perfectly into any home décor, and is ideal for residential and commercial installations and uses. It features the latest RF technologies to deliver long RF range, fast signal transmissions, and long battery life.
Alerts the system control unit to any irregular activity and sends low battery signals as well as supervision signals to verify the integrity of the system, for your peace of mind and a safer home.
specs
    RF frequency: 868MHz
    Power supply: 1 3V CR2 lithium battery
    Hasya battery life 6.6 years
    -10 ° C ~ + 45 ° C operating temperature
    Operating humidity up to 85% (non-condensing)
    Dimensions: 32 (W) x 107 (H) x 22 mm