AODELAN WTR-2 includes a Timer WTR-2(T) and a Receiver WTR-2(R). It works as a wireless timer and remote shutter release system with the Receiver connecting to the camera and the Timer controlling the receiver. Also, the Timer WTR-2(T) can work as a wired system with it connecting to the camera directly.
Besides the full functions of shutter release, it also features multiply timer functions: delay timer, long exposure timer, interval timer and as well as setting for the number of exposure; its timing setting can be accurate to 0.1 seconds. The WTR-2 is great for time-lapse recording of blooming flowers, astrophotography, etc.

Compatible Camera:
Nikon: Z6, Z7, Coolpix P1000, D850, D5600, D7200, D7500, D1, D1H, D1X, D2, D2H, D2Hs, D2X, D2Xs, D3, D3s, D3x, D4, D4s, D5, D200, D300, D300s, D500, D700, D800, D800e, D810 and D850 Df, D90, D600, D610, D750, D3100, D3200, D3300, D5000, D5100, D5200, D5300, D7000 and D7100; CoolPix A, P7700, P7800
Fuji: S3 and S5
Kodak: DCS-14N

Specification
Frequency: 2.4 GHz
Range: 60 meter
Working voltage: 3.0 V
Standby Timer: 48 Hours
Batteries: 4 x AAA batteries
Size: Transmitter: Approx. 130 x 46 x 22 mm (5.1 x 1.8 x 0.9 in), Receiver: Approx. 85 x 37 x 31 mm (3.3 x 1.5 x 1.2 in)
Weight: Transmitter: Approx. 56.5g (2.0 oz) (without batteries), Receiver: Approx. 37.5 g (1.3 oz) (without batteries)