Support: HIKVISION AX PRO ; Battery power supply: 2 x CR123A 3 V Lithium battery (included) ; Battery lifetime: ~ 4 years ; Frequency range: 868 MHz ; Radio communication range (at open area): max. 1600 m ; Detection angle / Detection range: PIR detector : 85.9 ° / 12 m, Glass break detector : 120 ° / 8 m ; Pet immunity: ≤ 30 kg ; Color: White ;