Specifications:
Material：Metal and ABS
Buttons : 4 Buttons
Frequency : 868MHz
Battery：CR2032（Include Battery)
Compatible list:
HSP 4 BS
HSD 2 BS
HSS 4 BS
HSP4-868-BS
HSD2-868-BS
HSS4-868-BS
HS 1 BS / HS 4 BS / HS 5 BS
HSE 1 BS / HSE 2 BS / HSE 4 BS
HS1-868-BS / HS4-868-BS / HS5-868-BS
HSE1-868-BS / HSE2-868-BS / HSE4-868-BS
