There is independent alarm function for this system. The merchandise display angle can be adjusted (to meet different display requirements). This system is compatible with following sensors:

JB-58-1 (magnetic sensor): simple, single protection
JB-58-2 (magnetic sensor): double protection
JB-58-1C (magnetic sensor): single protection, with mobile phone charger output                                
JB-58-2C (magnetic sensor): double protection, with mobile phone charger output

Also following functions are available for your options (for combining in JB-1838BW system):

J: Metal mounting base – 3M adhesive tape included (for easy paste mounting)
H: IR Remote control function. If so, JB-38 IR remote key is required for working together. There are more than 40000 codes for programming for IR remote.
T: Economical metal key switch function
P: Off-hook signal output function
M: The holder & sensor designed for DSLR. Only by changing display holder, it can be suitable for DSLR secure displays.